Symptom Chart

Symptom Chart - Steering Column Switches

Use Rotunda 88 Digital Multimeter 105-00053 or equivalent to perform Pinpoint Tests.

Condition(s):

- Ignition Switch Inoperative
Possible Source(s):
- Fuse.
- Ignition switch.
- Circuit.
- Battery discharged.
Action(s) to take:
- GO to Pinpoint Test A.

- No Power in ACC Position
Possible Source(s):
- Ignition switch.
- Circuit.
Action(s) to take:
- GO to Pinpoint Test B.

- No Power in ON Position
Possible Source(s):
- Ignition switch.
- Circuit.
Action(s) to take:
- GO to Pinpoint Test C.

- No Power in START Position
Possible Source(s):
- Ignition switch.
- Circuit.
Action(s) to take:
- GO to Pinpoint Test D.

- Multi-Function Switch Does Not Operate
Possible Source(s):
- Fuse.
- Circuit.
- Turn signal switch.
Action(s) to take:
- GO to Pinpoint Test E for mechanical diagnosis. GO to Multi-Function Switch Continuity Test for electrical diagnosis.

- Release Switch, Automatic-Parking Brake Does Not Operate
Possible Source(s):
- Leaking vacuum hose.
- Switch.
- Lack of vacuum.
Action(s) to take:
- GO to Pinpoint Test F.