Checking Power Supply and Ground Terminals, Permanent Faults

CHECKING POWER SUPPLY AND GROUND TERMINALS, PERMANENT FAULTS




Check steering wheel module (SWM) connector A. Check for contact resistance and oxidation. Check fuse 22 in the passenger compartment fusebox for the steering wheel module (SWM).

Note! If the fuse is blown, check the circuit after the fuse. Check for a short-circuit to ground before replacing the fuse. Then replace the fuse. For further information about the circuit after the fuse, refer to the appropriate wiring diagram.

Check the cable for power supply between fuse 22 in the passenger compartment fusebox and the control module terminals #A1 and #A6. Check for an open-circuit.

Check the ground lead between control module #A22 and ground terminal 31/84. Check for an open-circuit. Check ground terminal 31/84. Check for contact resistance and oxidation.

Remedy as necessary.

Other information:
- To access or replace the steering wheel module (SWM), see Steering wheel module (SWM), replacing
- For further information about the fuses and relays, see the Wiring Diagram
- Checking wiring and terminals.


CHECKING POWER SUPPLY AND GROUND TERMINALS, INTERMITTENT FAULTS




Check steering wheel module (SWM) connector A. Check for contact resistance and oxidation. Check fuse 22 in the passenger compartment fusebox for the steering wheel module (SWM).

Note! If the fuse was blown, check the circuit after the fuse. Check for contact resistance and oxidation.

Check the cable for power supply between fuse 22 in the passenger compartment fusebox and the control module terminals #A1 and #A6. Check for an open-circuit.

Check the ground lead between control module #A22 and ground terminal 31/84. Check for an open-circuit.

Check ground terminal 31/84. Check for contact resistance and oxidation.

Remedy as necessary.

Other information:
- To access or replace the steering wheel module (SWM), Steering Wheel Module (SWM), Replacing
- For further information about the fuses and relays, see the Wiring Diagram
- Checking Wiring and Terminals - Permanent Faults