TEST
ACTION
APPLICABILITY
3
Turn the ignition off.
Gain access to the Body Control Module.
Disconnect the Body Control Module C4 and C5 harness connectors.
Disconnect the Ignition Switch 5-way harness connector.
Measure the resistance between the Ignition Switch Sense circuit and the Ignition
Switch Sense Return circuit.
Is the resistance below 10K ohms?
All
Yes
→ Repair the Ignition Switch Sense circuit for a short to the Ignition
Switch Sense Return circuit.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 4
4
Turn the ignition off.
Disconnect the Ignition Switch 5-way connector.
Disconnect the Body Control Module C4 connector.
Measure the resistance between ground and the Ignition Switch Sense Return circuit
in the BCM C4 connector.
Is the resistance below 10K ohms?
All
Yes
→ Repair the Ignition Switch Sense Return circuit for a short to
ground.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Replace the Body Control Module in accordance with the service
information.
Perform BODY VERIFICATION TEST - VER 1.
607
IGNITION, POWER, ACCESSORY
IGNITION MUX SWITCH INPUT SHORT —
Continued