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Home >> Isuzu >> 1989 >> Trooper XS, 2.8 R >> Repair and Diagnosis >> Engine Performance >> System >> Tests W/Codes - V6 >> Diagnostic Procedures >> Trouble Code Identification

Trouble Code Identification

TROUBLE CODE IDENTIFICATION

Code No. System Affected Probable Cause
12 System Normal System Normal
13 O2 Sensor Ckt Sensor, Sensor Ckt, ECM
14 (1) Coolant Temp. Sensor Temp. Sensor, Sensor Ckt, ECM
15 (2) Coolant Temp. Sensor Temp. Sensor, Sensor Ckt, ECM
21 TPS Switch Signal (High Voltage) TPS Adjustment, TPS, ECM
22 TPS Switch Signal (Low Voltage) TPS Adjustment, TPS, ECM
24 Vehicle Speed Sensor Ckt Sensor, Sensor Ckt, ECM
32 EGR System Malfunction EGR Valve, Ckt, Backpressure Transducer, Gas Temp. Sensor, VSV
33 MAP Sensor Signal (High Voltage) Sensor, Sensor Ckt, ECM
34 MAP Sensor Signal (Low Voltage) Sensor, Sensor Ckt, ECM
43 Elect. Spark Control Ckt Knock Sensor, Ckt, ESC Module, ECM
44 O2 Sensor - Lean Mixture Injectors, Fuel Pressure, EGR, Exhaust Leaks, O2 Sensor & Wiring, MAP Sensor, ECM
45 O2 Sensor - Rich Mixture Injectors, Fuel Pressure, EGR, Exhaust Leaks, O2 Sensor & Wiring, MAP Sensor, TPS, Canister Purge, Ignition Shielding, ECM
51 MEM-CAL or PROM Error Defective MEM-CAL, PROM, ECM
(1) High temperature indicated by temperature sensor.
(2) Low temperature indicated by temperature sensor.