3. Connect ohmmeter to special tool 9637, pin II/20, and ground.
Display: infinity ohms
If 0 - 5 ohms is displayed, check wiring for chafing and pinching damage.
5 Check wiring from DME control module to relay for short circuit to B+.
1. Connect special tool 9637 to wiring harness (DME control module connector).
2. Remove relay.
3. Connect voltmeter to special tool 9637, pin II/20, and ground.
Ignition on.
Display: 0 V
If battery voltage is displayed, check wiring harness for chafing and pinching damage.
P1675
P1675
658 Engine Purge Fan Fault - Above Limit
Diagnosis conditions
- Ignition on
Possible fault cause
- Fuses
- Relays
- Fans
Diagnosis/Troubleshooting
P1676
P1676
Engine Compartment Purge Fan Output Stage - Above Limit
Diagnosis conditions
- Engine running
- Battery positive voltage greater than 7 V
- Engine compartment purge fan switched on once
- Engine compartment temperature greater than 75 锟斤拷C
- Front and rear lids closed
NOTE: The triggering wire for relay terminal 85 is monitored.
The rear lid may be opened to speed up the warming process. In order to proceed with the diagnosis, the rear lid must then be closed.
Possible fault cause
- Short circuit to B+
- Relay faulty
- DME control module faulty
Affected terminals
Terminal II/20
Diagnosis/Troubleshooting