Symptom:
*NO RESPONSE FROM COMPASS/TEMPERATURE MIRROR
POSSIBLE CAUSES
OPEN GROUND CIRCUIT
OPEN FUSED B+ CIRCUIT
OPEN FUSED IGNITION SWITCH OUTPUT CIRCUIT
OPEN PCI BUS CIRCUIT
COMPASS/TEMPERATURE MIRROR
TEST ACTION APPLICABILITY
1 Turn the ignition off.
Turn all lights off.
Disconnect the Compass/Temperature Mirror harness connector.
Using a 12-volt test light connected to 12-volts, probe each ground circuit.
Is the test light illuminated for both circuits?
All
Yes → Go To 2
No → Repair the ground circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
2 Turn the ignition off.
Disconnect the Compass/Temperature Mirror harness connector.
Using a 12-volt test light connected to ground, probe the Fused B+ circuit.
Is the test light illuminated?
All
Yes → Go To 3
No → Repair the Fused B+ circuit for an open. Refer to the wiring
diagrams in the service information.
Perform BODY VERIFICATION TEST - VER 1.
3 Turn the ignition off.
Disconnect the Compass/Temperature Mirror harness connector.
Turn the ignition on.
Using a 12-volt test light connected to ground, probe the Fused Ignition Switch
Output circuit.
Is the test light illuminated?
All
Yes → Go To 4
No → Repair the Fused Ignition Switch Output circuit for an open.
Refer to the wiring diagrams in the service information.
Perform BODY VERIFICATION TEST - VER 1.
101
COMMUNICATION
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