Checking Power Supply And Ground, Convertible Roof Module (CRM)
- Ignition off.
For information about fuse and terminal numbers, see the relevant service information.
Check that the following fuses are intact:
- Main fuse by battery.
- Fuses for Convertible Roof Module (CRM).
Check the power supply cable to the Convertible Roof Module (CRM). Check for a short-circuit to ground. Check for an open-circuit.
Check the cable between the ground terminal and the Convertible Roof Module (CRM). Check for a short-circuit to supply voltage. Check for an open-circuit.
Check the ground terminal for the Convertible Roof Module (CRM). Check for contact resistance and oxidation.
Other information
Was a fault detected?
- YES
Refer to VERIFICATION
- NO
Refer to CHECKING COMMUNICATION WITH CONVERTIBLE ROOF MODULE (CRM)