B1608-HEADLAMP SWITCH INPUT CIRCUIT HIGH
For a complete wiring diagram Refer to Section 8W.
- When Monitored:
- With the ignition on.
- Set Condition:
- The SCM detects a high condition.
| Possible Causes |
| LIGHTING MULTIFUNCTION SWITCH |
| STEERING CONTROL MODULE |
Diagnostic Test
1.INTERMITTENT CONDITIONDoes the Scan Tool read: B1608-HEADLAMP SWITCH INPUT CIRCUIT HIGH?
Yes
- Go To 2
No
- The condition that caused the symptom is currently not present. Inspect the related wiring for a possible intermittent condition. Look for any chafed, pierced, pinched, or partially broken wires.
- Perform the BODY VERIFICATION TEST — VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)
2.LIGHTING MULTIFUNCTION SWITCH
Is the resistance in each position correct?
Yes
- Replace the Steering Control Module in accordance with the service information.
- Perform the BODY VERIFICATION TEST — VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)
No
- Replace the Multifunction Switch in accordance with the service information.
- Perform the BODY VERIFICATION TEST — VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)