P1500

DTC P1500: Engine Starter Signal Circuit Malfunction

Wiring Diagram














DTC Confirmation Procedure

NOTE:

Check to make sure that the following conditions are satisfied when using this DTC confirmation procedure.

- Intake air temp.: -14 °C, 6.8 °F or higher
- Altitude (barometric pressure): 2020 m, 6650 ft or less (540 mmHg, 72 kPa or more)

1) With ignition switch turned OFF, connect scan tool.
2) Turn ON ignition switch and clear DTC using scan tool.
3) Start engine and run it at idle for 5 min. or more.
4) Check DTC and pending DTC.

DTC Troubleshooting

1.
Was "Engine System Check" performed?
YES
Go to Step 2.
NO
Go to Engine System Check Engine System Check.

2. Signal circuit check

Disconnect connectors from ECM with ignition switch turned OFF.
Remove ECM from vehicle body and then connect connectors to ECM.
Check for voltage at terminal "C46-5", under the following condition. While engine cranking: 6 - 14 V After starting engine: 0 - 1 V

Is voltage as specified?
YES
Poor C46-5 connection or intermittent trouble.
Check for intermittent referring to Intermittent and Poor Connection Inspection.
If wire and connections are OK, substitute a known-good ECM and recheck.
NO
"BLK/YEL" circuit open.