Diagnostika OBD1 Isuzu

Isuzu Trouble Codes

Except I-MARK

Connect white (test lead) and black (ground lead) wires that are branched from harness approximately eight inches from ECM. After leads are grounded, the Check Engine light will flash the diagnostic trouble codes. The DTC's are indicated by the flashing CEL.
FLASH, FLASH, pause, FLASH, FLASH, FLASH = Code 23.
If only one diagnostic trouble code is stored, the DTC will repeat continuously until test leads are disconnected. If more than one diagnostic trouble code is stored, each DTC will repeat three times, starting with the lowest, then proceed to the next DTC. After all DTC's have been displayed, the pattern will repeat.

I-MARK 84-85

Connect male and female test leads taped into wire harness near ECM. After leads are connected, the Check Engine lamp will flash the trouble codes. The DTC's are indicated by the flashing CEL.
FLASH, FLASH, pause, FLASH, FLASH, FLASH = Code 23.
If only one diagnostic trouble code is stored, the DTC will repeat continuously until test leads are disconnected. If more than one diagnostic trouble code is stored, each DTC will repeat three times, starting with the lowest, then proceed to the next DTC. After all DTC's have been displayed, the pattern will repeat.

86-87 Impulse

Entering Diagnostic Mode
1) Turn ignition on. CHECK ENGINE lamp should light. Locate diagnostic leads.
Connect diagnostic terminal leads together. If any trouble codes are stored in ECU memory, the CHECK ENGINE lamp will flash 2-digit codes. 2) The trouble codes will be displayed from lowest to highest numbered code. Each code is repeated three times before the next code sequence is displayed. The trouble codes will be repeated as long as the diagnostic terminals are connected and the ignition is on.

Remove fuse No.4 to clear memory.

image Copyright � 2001 ALLDATA LLC.

88-89

A three-terminal connector (ALDL), located near the ECM connector, is used to actuate the Engine Control Module (ECM) trouble code memory within the module. Two terminals (A and C) of this connector are used to activate the diagnostic trouble code system in the ECM. With the ignition switch turned On, engine Off, connect a jumper wire between terminals A and C. The Check Engine lamp will begin by flashing a DTC 12. DTC 12 = flash, pause, flash, flash. There will be a longer pause and a code 12 will repeat two more times. This code indicates the self-diagnostic system is operating. The cycle will then repeat until the engine is started or the ignition is switched Off. In most cases, DTC's will be checked with the engine running since no DTC's other than DTC 12 or 51 will be present without the engine running. Remove jumper wire from ALDL connector before starting engine. Reconnect jumper wire after engine is running.

Throttle Body Fuel Injection

The ECM test connection is located under the center console.
A built-in, self diagnostic system will identify problems in the throttle body fuel injection system. When a problem is detected, the diagnostic system will illuminate the Check Engine light.
When the engine is started, the Check Engine light should turn off.. If the light remains lit, the self diagnostic has detected a problem. To determine where the problem exists, ground the Test terminal of the connector with the ignition On, engine Off and watch the check engine light. Each DTC will flash three times (lowest to highest).

Multi-Port Fuel Injection

Amigo,Trooper II , Rodeo - Pickup

On Rodeo, Amigo, and Pickup (except 1993-95 models W/3.2L engine), connect the single wire diagnostic leads located behind the left hand kick panel together. On Trooper models to 1991, the single wire diagnostic connectors are located under the center console. On 1992-95 Trooper - 1993-95 Rodeo models W/3.2L engine, connect a jumper wire between data link connector terminals 1 and 3. On 1992-95 Trooper models the data link connector is located behind the lower front of the instrument panel. On 1993-95 Rodeo models W/3.2 engine, the data link is located under the left hand side of the instrument panel. On all models, turn the ignition switch to the On position. At this point, the Check Engine light should flash.

Stylus - Impulse

A white three terminal ALDL connector located behind the passenger side kick panel. The ECM has a battery voltage line to the ALDL connector. Using a jumper wire, connect this terminal to ground. The ECM will then toggle the Check Engine light to flash any trouble codes stored in the memory of the ECM.
If no DTC's are stored, the light will flash DTC 12. If a trouble code exist the lowest number DTC will flash first. Each DTC will flash three times.

Oasis

If the malfunction indicator/check engine lamp remains lit or comes on while the engine is operating, the ECM has detected a malfunction and has stored a trouble code in its memory. To access the trouble code memory, connect an OBD II scan tool to the 16-pin DLC connector located behind the right-hand side of the front console.

Clearing Trouble Codes

Carb Models

Trouble codes can be cleared by removing voltage to the ECM for 10 seconds. After a fault has been corrected, remove the ECM fuse or disconnect battery cables for 10 seconds.

Injected Models

Except Oasis

To prevent damage to the ECM when disconnecting the battery ground cable, ensure the ignition key is in the Off position. Disconnecting the battery ground cable for 30 seconds or longer will clear all stored trouble codes from the ECM.

Oasis

Trouble codes should be cleared from the ECM (ECU) by either turning off the ignition switch and removing the back-up radio (7.5A) fuse from the under hood fuse/relay box for 10 seconds, or by using the OBD II scan tool to clear the ECM's memory.

Trouble Codes

Isuzu Check engine light trouble codes

Isuzu Trouble codes

12	No tach signal to ECM - No Distributor Reference Pulses{4}
13	Oxygen sensor or circuit
14	Coolant Temperature Sensor Circuit
14	High Coolant Temperature{5}
14A	High Coolant Temperature{6}
14B	Low Coolant Temperature{6}
15	Coolant Temperature Sensor Circuit
15	Low Coolant Temperature{5}{7}
16	Same as 15
21	TP Sensor And/Or Idle Switch
	MAP Sensor{1}
	TP Sensor, Voltage High{5}{7}
	Throttle valve switch/Wide Open Throttle (WOT) position sensor, 1989 Manifold Absolute Pressure (MAP) circuit failure
	Throttle Position Sensor (TPS) - V6 models
21A	TP Sensor, Voltage High{6}
21B	TP Sensor, Voltage Low{6}
22	Starter signal system/1988 and 1989 fuel cut solenoid circuit failure
	TP Sensor
	TP Sensor, Voltage Low{5}{7}
	No Starter Signal{8}
	Fuel Cut Off Relay{4}
23	MAT Sensor
	MAT Sensor, Low Temp{7}
	M/C Solenoid Circuit{4}
	Mixture control solenoid circuit failure - 1987 and 1995 Amigo/Pick-up, 1989 to 1994 V6 models
	Power transistor circuit - 1988 to 1994 four-cylinder models
	Intake Air Temperature sensor voltage high - turbo, 1989 to 1995 1.6L, 1.8L, 3.2L vehicles
23A	MAT Sensor, Low Temp{6}
23B	MAT Sensor, High Temp{6}
24	Vehicle Speed Sensor (VSS) circuit - V6 models
24	Pressure regulator vacuum switching valve - 1988 to 1994 four-cylinder, also Impulse non-turbo
25	MAT Sensor
	Vacuum Switching Valve{4}{9}
	MAT Sensor, High Temp{7}
	Intake Air Temperature sensor voltage high - turbo, 1989 to 1995 1.6L, 1.8L, 3.2L vehicles
	AIR VSV circuit failure
26	Canister Vacuum Switching Valve{4}
26	VSV System{9}
27	VSV System{9}
	Constant Voltage High From VSV To ECM{4}
	Fuel injector driver transistor
31	No Ignition Reference Pulses To ECM{4}
	Wastegate Control{7}{8}
	No ignition reference to ECM - 1988 and 1989 models
32	Exhaust Gas Recirculation (EGR) system failure
33	MAP Sensor
	MAP Sensor, Voltage High{5}{7}
	Fuel Injector{9}
33A	MAP Sensor, Voltage High-Low{6}
33B	MAP Sensor, Voltage Low-High{6}
34	MAP Sensor{8}{11}
	MAP Sensor, Voltage Low{5}
	EGR Gas Sensor Circuit{4}{7}
	Fuel Injector{10}
35	MAP Sensor Constant Voltage High{4}
35	Power Transistor System{9}
36	MAP Sensor Circuit{4}
41	Crank Angle Sensor{9}
41	Cam Signal{7}
42	Fuel Cut Off Relay{4}
	Electronic Spark Timing{5}
	Ignition Control Circuit{6}{8}
43	Throttle valve switch/Wide Open Throttle (WOT) position sensor {9}
	Electronic spark control failure - V6 models
	Idle contact switch always closed (1988 to 1994 four-cylinder, also Impulse non-turbo)
	1989 Manifold Absolute Pressure (MAP) circuit failure
	Knock sensor (1989 to 1995 1.6L, 3.2L) {8}
44	O2S Lean
44	Fuel Metering{9}
45	Oxygen sensor (rich condition indicated)
45	Fuel Metering{9}
51	PROM{2}{8}
	Fuel Cut Solenoid Circuit And/Or ECM{3} carbureted four-cylinder models
	ECM{6}
	MEM-CAL{7}
	PROM, Cal-Park - ECM{5}
	ROM and/or RAM{9}
52	ECM{4}
	EEPROM{8}
	ROM and/or RAM{9}
	PROM, Cal-Park - ECM{5}
53	Switching Valve And/Or ECM{4}
53	Vacuum Switching Valve{9}
54	M/C (mixture control) Solenoid Circuit And/Or ECM{2}
	Vacuum Control Solenoid And/Or ECM{3}
	Power Transistor System{9}
	Fuel Pump, Voltage Low{5}{8}
	Shorted vacuum control solenoid, Faulty Electronic Control Module (ECM) - 1988 and 1989 models
55	ECM{4}{8}
	PROM, Cal-Park - ECM{5}
	Faulty Electronic Control Module (ECM) or oxygen sensor
61	Air flow sensor circuit failure {9}
62	Air flow sensor circuit failure {9}
63	Vehicle Speed Sensor (VSS) circuit {9}
64	Fuel injector driver transistor {9}
65	Throttle valve switch/Wide Open Throttle (WOT) position sensor, 1989 Manifold Absolute Pressure (MAP) circuit failure
65	Full throttle switch always on
66	Knock sensor circuit failure {9}
71	Throttle position switch signal abnormal {9}
72	VSV for EGR system short or open {9}
73	Same as 72 transister or ground {9}

{1}1989 I-Mark.	{2}I-Mark, carbureted.
{3}Pickup, carbureted.	{4}Carbureted models.
{5}Throttle body fuel injection.	{6}Rodeo - Trooper w/3.2L engine, Stylus - 1990-92 Impulse less turbocharger.
{7}Stylus - 1990-92 Impulse w/turbocharger.	{8}I-Mark, multi-port fuel injection.
{9}Amigo, Pickup, Rodeo - Trooper w/2.6L engine - 1988-91 Impulse.	{10}Impulse.
{11}Amigo, Pickup, Rodeo - Trooper.

TICS) Timing - Inj Rate Control System

(TICS)
Timing - Inj Rate Control System

13	Rack Sensor Circuit Failure
15	Engine Speed Sensor Circuit Failure
23	ECT Sensor Circuit Failure
29	Pre-Stroke Actuator Failure
71	Barometric Pressure Sensor
291	Pre-Stroke Position Sensor Circuit Failure
292	Pre-Stroke Learning Failure
293	Power Cut Relay Circuit Failure
414	Boost Cut Magnetic Valve Circuit Failure
423	Pre-Stroke Power Supply Circuit Failure
413	Variable Swirl System Valve

Isuzu OBD2 codes

OBD2
P0101	MAF System Performance
P0102	MAF Sensor Circuit Frequency Low
P0103	MAF Sensor Circuit Frequency High
P0106	MAP System Range/Performance
P0107	MAP Circuit Input Low
P0108	MAP Circuit Input High
P0112	IAT Circuit Input Low
P0113	IAT Circuit Input High
P0116	ECT Circuit Range/Performance
P0117	ECT Circuit Input Low
P0118	ECT Circuit Input High
P0121	TP Sensor System Performance
P0122	TP Sensor Circuit Input Low
P0123	TP Sensor Circuit Input High
P0125	ECT Insufficient Coolant Temperature For Closed Loop Fuel Control
P0131	HO2S Circuit Voltage Low Bank 1 Sensor 1
P0132	HO2S Circuit Voltage High Bank 1 Sensor 1
P0133	HO2S Slow Response Bank 1 Sensor 1
P0134	H02S Circuit No Activity Bank 1 Sensor 1
P0135	HO2S Heater Circuit Malfunction Bank 1 Sensor 1
P0137	HO2S Circuit Voltage Low Bank 1 Sensor 2
P0138	HO2S Circuit Voltage High Bank 1 Sensor 2
P0139	HO2S Slow Response Bank 1 Sensor 2
P0140	H02S Circuit No Activity Bank 1 Sensor 2
P0141	HO2S Heater Circuit Malfunction Bank 1 Sensor 2
P0143	HO2S Circuit Voltage Low Bank 1 Sensor 3
P0144	HO2S Circuit Voltage High Bank 1 Sensor 3
P0146	HO2S Insufficient Activity Bank 1 Sensor 3
P0147	HO2S Heater Circuit Bank 1 Sensor 3
P0151	HO2S Circuit Voltage Low Bank 2 Sensor 1
P0152	HO2S Circuit Voltage High Bank 2 Sensor 1
P0153	HO2S Circuit Slow Response Bank 2 Sensor 1
P0154	H02S Circuit Insufficient Activity Bank 2 Sensor 1
P0155	HO2S Heater Circuit Bank 2 Sensor 1
P0157	HO2S Circuit Voltage Low Bank 2 Sensor 2
P0158	HO2S Circuit Voltage High Bank 2 Sensor 2
P0160	H02S Circuit Insufficient Activity Bank 2 Sensor 2
P0161	HO2S Heater Circuit Bank 2 Sensor 2
P0171	Fuel Trim System Lean Bank 1
P0172	Fuel Trim System Rich Bank 1
P0174	Fuel Trim System Lean Bank 2
P0175	Fuel Trim System Rich Bank 2
P0201-P0206	Injector Control Circuit Cyls. 1-6
P0218	Transmission Over Temperature Condition
P0300	Engine Misfire Detected
P0301-P0306	Misfire Detected Cyls. 1-6
P0325	KS Filter Module Or Circuit
P0327	KS Sensor Circuit Input Low
P0335	CKP Sensor Circuit Malfunction
P0336	CKP Sensor 58X Reference Signal Circuit Range/Performance
P0337	CKP Sensor Circuit Frequency Low
P0341	CMP Sensor Circuit Range/Performance
P0342	CMP Sensor Circuit Input Low
P0351	Ignition Coil A Primary/Secondary Circuit Malfunction (2.2L)
P0351	Ignition Control Circuit (2.6L)
P0351-P0356	Ignition Control Circuits 1-6 (3.2L)
P0352	Ignition Coil B Primary/Secondary Circuit Malfunction (2.2L)
P0401	EGR Flow Insufficient
P0402	EGR Excessive Flow Detected
P0404	EGR Sensor Circuit Range/Performance, Stuck Open
P0405	EGR Sensor Circuit Low
P0406	EGR Sensor Circuit High
P0420	TWC System Low Efficiency Bank 1
P0430	TWC System Low Efficiency Bank 2
P0440	EVAP System Malfunction
P0441	EVAP System No Flow During Purge
P0442	EVAP System Small Leak Detected
P0443	EVAP System Purge Control Valve Circuit Malfunction
P0446	EVAP System Canister Vent Blocked (Except 2.2L)
P0446	EVAP System Canister Vent Control Circuit Malfunction (2.2L)
P0449	EVAP System Vent Valve/Solenoid Circuit Malfunction
P0452	EVAP System Pressure Sensor Input Low
P0453	EVAP System Pressure Sensor Input High
P0461	Fuel Level Sensor Circuit Performance
P0462	Fuel Level Sensor Circuit Input Low
P0463	Fuel Level Sensor Circuit Input High
P0480	Cooling Fan 1 Control Circuit
P0481	Cooling Fan 2 Control Circuit
P0501	VSS Circuit Range Performance
P0502	VSS Circuit Input Low
P0505	Idle Control System Malfunction
P0506	IAC System RPM Low
P0507	IAC System RPM High
P0532	A/C Refrigerant Pressure Sensor Circuit Input Low
P0533	A/C Refrigerant Pressure Sensor Circuit Input High
P0560	System Voltage Low
P0562	System Voltage Low
P0563	System Voltage High
P0601	PCM Memory Checksum Error
P0705	Transaxle Range Switch Circuit
P0706	Transaxle Range Switch Performance
P0712	TFT Voltage Low
P0713	Transmission Fluid Temperature Voltage High
P0719	Brake Switch Circuit Low
P0722	Output Speed Sensor Circuit No Signal
P0723	Output Speed Sensor Circuit Intermittent Signal
P0724	Brake Switch Circuit High
P0730	Gear Ratio Improper
P0742	TCC Circuit Stuck On
P0748	Transmission Pressure Control Solenoid Electrical Fault
P0751	Transmission SS A Performance Or Stuck Off
P0753	Transmission SS A Electrical Fault
P0756	Transmission SS B Performance Or Stuck Off
P0758	Transmission SS B Electrical Fault
P1106	MAP Circuit Intermittent Voltage High
P1107	MAP Circuit Intermittent Voltage Low
P1108	Barometric Pressure Circuit Input High
P1111	IAT Sensor Circuit Intermittent Voltage High
P1112	IAT Sensor Circuit Intermittent Voltage Low
P1114	ECT Sensor Circuit Intermittent Voltage Low
P1115	ECT Sensor Circuit Intermittent Voltage High
P1121	TP Sensor Circuit Intermittent Voltage High
P1122	TP Sensor Circuit Intermittent Voltage Low
P1133	H02S Insufficient Switching Bank 1 Sensor 1
P1134	H02S Transition Time Ratio Bank 1 Sensor 1
P1153	H02S Insufficient Switching Bank 2 Sensor 1
P1154	H02S Transition Time Ratio Bank 2 Sensor 1
P1171	Fuel System Lean During Acceleration
P1297	Electrical Load Detector Circuit Input Low
P1298	Electrical Load Detector Circuit Input High
P1300	Random Misfire
P1336	CKP System Variation Not Learned
P1359	CKP/TDC Sensor Disconnected
P1361	TDC Sensor Intermittent Interruption
P1362	TDC Sensor No Signal
P1380	ABS Rough Road System Fault
P1381	Cylinder Position Sensor Intermittent Interruption, Misfire Detected (Except 1998 Rodeo)
P1381	ABS Rough Road Class 2 Serial Data Fault Or Link Error (1998 Rodeo)
P1382	Cylinder Position Sensor No Signal
P1390	G Sensor Circuit Intermittent Voltage Low
P1391	G Sensor Performance
P1392	G Sensor Voltage Low
P1393	G Sensor Voltage High
P1394	G Sensor Intermittent Voltage High
P1404	EGR Valve Stuck Closed
P1406	EGR Valve Pintle Position Circuit
P1441	EVAP System Flow During Non-Purge
P1442	EVAP Vacuum Switch Voltage High During Ignition On
P1459	EVAP Emission Purge Flow Switch Malfunction
P1491	EGR Valve Lift Insufficient Detected
P1498	EGR Valve Lift Sensor Voltage High
P1508	IAC System RPM Low
P1509	IAC System RPM High
P1546	A/C Compressor Clutch Output Circuit Malfunction
P1548	A/C Compressor Clutch Output Circuit Malfunction
P1607	PCM Internal Circuit Failure A
P1618	SPI Communications Error
P1625	PCM Unexpected Reset
P1627	PCM A/D Conversion Malfunction
P1635	5 Volt Reference Voltage Circuit Malfunction
P1640	ODM 1 Input Voltage High (Except 1998 Rodeo)
P1640	ODM Output A Circuit Fault (1998 Rodeo)
P1650	Quad Driver Module A Fault
P1790	Trans ROM Checksum Error
P1792	Trans EEPROM Checksum Error
P1835	Trans Kickdown Switch Malfunction
P1850	Brake Band Apply Solenoid Malfunction
P1860	TCC PWM Solenoid Circuit Failure
P1870	Transmission Component Slipping

NPR - W4 Trucks w/5.7L Gas

TBI
13	Oxygen Sensor Circuit Open
14	ECT Sensor Circuit/High Temperature Indicated
15	ECT Sensor Circuit/Low Temperature Indicated
16	Vehicle Speed Sensor Buffer Fault
21	Throttle Position Sensor Circuit/Signal High Input
22	Throttle Position Sensor Circuit/Signal Voltage Low
24	Vehicle Speed Sensor
32	EGR System
33	MAP Sensor Circuit/Signal Voltage High-Low Vacuum
34	MAP Sensor Circuit/Signal Voltage Low-High Vacuum
42	Ignition Control
43	Knock Sensor Circuit
44	Oxygen Sensor Circuit/Lean Exhaust Indicated
45	Oxygen Sensor Circuit/Rich Exhaust Indicated
51	Faulty PROM (MEM-CAL)
53	System Over Voltage
55	Faulty PCM
54	Fuel Pump Circuit/Low Input
CMFI
P0101	Mass Air Flow Sensor
P0102	Mass Air Flow Sensor Low Input
P0103	Mass Air Flow Sensor High Input
P0106	Manifold Absolute Pressure Sensor
P0107	Manifold Absolute Pressure Sensor Low Input
P0108	Manifold Absolute Pressure Sensor High Input
P0112	Intake Air Temperature Sensor Low Input
P0113	Intake Air Temperature Sensor High Input
P0117	ECT Sensor Low Input
P0118	ECT Sensor High Input
P0121	Throttle Position Sensor
P0122	Throttle Position Sensor Low Input
P0123	Throttle Position Sensor High Input
P0125	ECT Sensor
P0131	Heated Oxygen Sensor Low Input Bank 1 Sensor 1
P0132	Heated Oxygen Sensor High Input Bank 1 Sensor 1
P0133	Heated Oxygen Sensor Slow Response Bank 1 Sensor 1
P0134	Heated Oxygen Sensor Insufficient Activity Bank 1 Sensor 1
P0135	Heated Oxygen Sensor Heater Circuit Bank 1 Sensor 1
P0137	Heated Oxygen Sensor Low Input Bank 1 Sensor 2
P0138	Heated Oxygen Sensor High Input Bank 1 Sensor 2
P0140	Heated Oxygen Sensor Insufficient Activity Bank 1 Sensor 2
P0141	Heated Oxygen Sensor Heater Circuit Bank 1 Sensor 2
P0151	Heated Oxygen Sensor Low Input Bank 2 Sensor 1
P0152	Heated Oxygen Sensor High Input Bank 2 Sensor 1
P0153	Heated Oxygen Sensor Slow Response Bank 2 Sensor 1
P0154	Heated Oxygen Sensor Insufficient Activity Bank 2 Sensor 1
P0155	Heated Oxygen Sensor Heater Sensor Bank 2 Sensor 1
P0157	Heated Oxygen Sensor Low Input Bank 2 Sensor 2
P0158	Heated Oxygen Sensor High Input Bank 2 Sensor 2
P0160	Heated Oxygen Sensor Insufficient Activity Bank 2 Sensor 2
P0161	Heated Oxygen Sensor Heater Circuit Bank 2 Sensor 2
P0171	Fuel Trim System Lean Bank 1
P0172	Fuel Trim System Rich Bank 1
P0174	Fuel Trim System Lean Bank 2
P0175	Fuel Trim System Rich Bank 2
P0300	Engine Misfire Detected
P0301	Cylinder Misfire Detected
P0302	Cylinder Misfire Detected
P0303	Cylinder Misfire Detected
P0305	Cylinder Misfire Detected
P0306	Cylinder Misfire Detected
P0307	Cylinder Misfire Detected
P0308	Cylinder Misfire Detected
P0325	Knock Sensor Module Circuit
P0327	Knock Sensor Circuit Low Input
P0336	Crankshaft Position Sensor
P0337	Crankshaft Position Sensor Low Output
P0338	Crankshaft Position Sensor High Output
P0339	Crankshaft Sensor Faulty Signal
P0340	Camshaft Position Sensor Circuit
P0341	Camshaft Position Sensor
P0401	Exhaust Gas Recirculation System
P0441	EVAP System
P0500	Vehicle Speed Sensor
P0506	Idle Air Control Low/High Input
P0507	Idle Air Control Low/High Input
P1106	Manifold Absolute Pressure High Input
P1107	Manifold Absolute Pressure Low Input
P1111	Intake Air Temperature Sensor High Input
P1112	Intake Air Temperature Sensor Low Input
P1114	ECT Sensor Low Input
P1115	ECT Sensor High Input
P1121	Throttle Position Sensor High Input
P1122	Throttle Position Sensor Low Input
P1133	Heated Oxygen Sensor Insufficient Switching Bank 1 Sensor 1
P1134	Heated Oxygen Sensor Transition Ratio Bank 1 Sensor 1
P1153	Heated Oxygen Sensor Insufficient Switching Bank 2 Sensor 1
P1154	Heated Oxygen Sensor Transition Time Ratio Bank 2 Sensor 1
P1345	Crankshaft Position/Camshaft Position Correlation
P1351	Ignition Control Circuit High Input
P1361	Ignition Control Circuit Low Input
P1380	Electronic Brake Control Module
P1381	Electronic Brake Control Module
P1406	Exhaust Gas Recirculation Valve
P1441	Evaporative Emissions System Flow
P1508	Idle Air Control System Low RPM

Diesel Control System

4HE1 ENGINE
P13	ECT Sensor Circuit Low
P14	ECT Sensor Circuit High
P21	Rack Sensor Circuit Low
P22	Rack Sensor Circuit High
P23	Magnetic switch Control Circuit Low
P24	Magnetic switch Control Circuit High
P26	QWS Relay Control Circuit High
P31	EGR EVRV Sensor Circuit Low
P32	EGR EVRV Sensor Circuit High
P33	VSS Control Circuit Low
P34	VSS Control Circuit High
P35	EGR Quick Cut VSV Control Circuit Low
P36	EGR Quick Cut VSV Control Circuit High
P41	QOS Relay Control Circuit Low
P42	QOS Relay Control Circuit High
P43	Aneroid Compensator VSV Control
P52	EEPROM Error
P61	Barometric Sensor Circuit Error
6HK1 ENGINE
P0014	Pump Position Sensor Error
P0015	Crank Position Sensor Error
P0022	Atmospheric Temperature Sensor Error
P0023	Coolant Temperature Sensor Error
P0024	Accelerator Sensor Error
P0032	Boost Pressure Sensor Error
P0034	Q Adjustment Data Error, No History Recorded
P0035	A/D Conversion Error (Internal ECM Fault)
	CPU Monitoring IC Error (ECM Internal Fault)
	Charging Circuit Error
P0042	High Boost Pressure Abnormal
P0065	Low Boost Pressure Abnormal
P0071	Atmospheric Pressure Sensor Error
P0115	Common Rail Pressure Sensor Output Fixed
P0118	Abnormal Common Rail Pressure Control System 1st Or 2nd Stage
P0151	Abnormal Common Rail Pressure Pump Over Pressure Supply
P0158	TWV Driving System B+ Shorted
P0159	TWV Driving System Ground Shorted
P0211	Fuel Temperature Sensor Error
P0217	PCV1 Coil Or Harness Disconnected Or B+ Shorted
P0218	PCV2 Coil Or Harness Disconnected Or B+ Shorted
P0226	Injection Pump Does Not Pressure Supply -/Or Pressure Limiter Activation
P0227	Injection Pump Does Not Pressure Supply, Fuel Leakage
P0245	Abnormal Common Rail Pressure, PC Sensor System
P0247	PCV1 Coil Or Harness Disconnected Or Ground Shorted
P0248	PCV2 Coil Or Harness Disconnected Or Ground Shorted
P0261	Cyl. No. 1 Flow Dumper Activated
P0262	Cyl. No. 2 Flow Dumper Activated
P0263	Cyl. No. 3 Flow Dumper Activated
P0264	Cyl. No. 4 Flow Dumper Activated
P0265	Cyl. No. 5 Flow Dumper Activated
P0266	Cyl. No. 6 Flow Dumper Activated
P0271	Open Circuit Cyl. No. 1 at TWV Side
P0271	Open Circuit Cyl. No. 2 at TWV Side
P0273	Open Circuit Cyl. No. 3 at TWV Side
P0274	Open Circuit Cyl. No. 4 at TWV Side
P0275	Open Circuit Cyl. No. 5 at TWV Side
P0276	Open Circuit Cyl. No. 6 at TWV Side
P0416	Main Relay System Error, No History Record
P0417	Starter Switch Abnormal
P0421	PCV Relay System Error
P0543	Overrun Judgement

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Diagnostika OBD1 Isuzu

Isuzu Trouble Codes

Throttle Body Fuel Injection

Multi-Port Fuel Injection

Clearing Trouble Codes

Carb Models

Injected Models

Trouble Codes

Isuzu Trouble codes

(TICS) Timing - Inj Rate Control System

Isuzu OBD2 codes

NPR - W4 Trucks w/5.7L Gas

Diesel Control System

(TICS)
Timing - Inj Rate Control System