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Starter Switch Signal Circuit Troubleshooting

Starter Switch Signal Circuit Troubleshooting

NOTE:
- M/T: Clutch pedal be pressed
- A/T: Transmission in Park or neutral




1. Measure voltage between ECM/PCM connector terminals A24 and B20 with the ignition switch in the start position (III).

Is there battery voltage?

YES - The starter switch signal is OK.

NO - Go to step 2.

2. Inspect the No.13 STARTER SIGNAL (7.5 A) fuse in the driver's under-dash fuse/relay box.

Is the fuse OK ?

YES - Repair open in the wire between the ECM/PCM (A24) and the No.13 STARTER SIGNAL (7.5 A) fuse.

NO - Repair short in the wire between the ECM/PCM (A24) and the No.13 STARTER SIGNAL (7.5 A) fuse or the PGM-FI main relay. Replace the No.13 STARTER SIGNAL (7.5 A) fuse.