1 Check wiring from DME control module, pin III/42, to throttle part for short circuit to B+.
1. Connect special tool 9637.
2. Connect voltmeter to pin III/42 and ground.
3. Switch on the ignition.
Display: 0 V
If battery voltage is displayed, check wiring harness for chafing and pinching damage.
2 Check wiring from DME control module, pin III/43, to throttle part for short circuit to B+.
1. Connect special tool 9637.
2. Connect voltmeter to pin III/43 and ground.
3. Switch on the ignition.
Display: 0 V
If battery voltage is displayed, check wiring harness for chafing and pinching damage.
3 Check wiring from DME control module, pin III/42, to throttle part for short circuit to ground.
1. Connect special tool 9637.
2. Connect voltmeter to pin III/42 and B+.
3. Switch on the ignition.
Display: 0 V
If battery voltage is displayed, check wiring harness for chafing and pinching damage.
4 Check wiring from DME control module, pin III/43, to throttle part for short circuit to ground.