LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Honda >> 1995 >> Passport DX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 2.6L >> Trouble Code Definition
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Trouble Code Definition

CODE IDENTIFICATION

Code System Affected Probable Cause
12  System Normal System Normal
13  Oxygen Sensor Circuit Sensor/Circuit, ECM
14  Coolant Temperature Sensor (Shorted) Temperature Sensor/ Circuit, ECM
15  Coolant Temperature Sensor (Open) Temperature Sensor/ Circuit, ECM
21  Throttle Valve Switch (Idle & Full Throttle) Switch/Circuit, ECM
22  Starter Signal Circuit, ECM
23  Power Transistor (Shorted) Transistor/Circuit, ECM
25  Pressure Regulator VSV VSV/Circuit, ECM
26, 27  Canister Purge VSV VSV/Circuit, ECM
32  EGR System EGR Valve, Backpressure Transducer, Vacuum Switching Valve
33  Fuel Injector Circuit (Open or Grounded) Wiring, Dropping Resistor, ECM
34  MAP Sensor Sensor/Circuit, ECM
35 (1) Power Transistor (Open) Transistor/Circuit, ECM
41  Crankshaft Position Sensor Sensor/Circuit, ECM
43  Throttle Valve Switch (Idle Position) Switch/Circuit, ECM
44, 45  Oxygen Sensor (Lean/Rich) Injectors, Fuel Pressure, Airflow Sensor, Oxygen SensorCircuit, Coolant Temperature Sensor, ECM
51  Faulty ECM ROM Defective ECM
52  Faulty ECM RAM Defective ECM
53 (2) Pressure Regulator VSV VSV/Circuit, ECM
54 (1) Power Transistor (Grounded) Transistor/Circuit, ECM
61, 62  Airflow Sensor Sensor/Circuit, ECM
63  Vehicle Speed Sensor Sensor/Circuit, ECM
64  Fuel Injector Circuit (ECM Transistor) Wiring Harness, ECM
65 (3) Throttle Valve Switch (Full Throttle) Switch/Circuit, ECM
(1) See CODE 23 .
(2) See CODE 25 .
(3) See CODE 43 .