Component Location Index

A/C CONDENSER FAN ASSEMBLY
RADIATOR FAN ASSEMBLY
ENGINE COOLANT TEMPERATURE
(ECT) SENSOR 1
ENGINE COOLANT TEMPERATURE
(ECT) SENSOR 2
Symptom Troubleshooting Index

Circuit Diagram

Radiator Fan High Speed Circuit Troubleshooting
1. Remove the fan control relay from the under-hood fuse/relay box, and test it.
Is the relay OK?
YES-Go to step 2.
NO-Replace the fan control relay.
2. Measure the voltage between the fan control relay 5P socket terminal No. 5 and body ground.

Is there battery voltage? YES-Go to step 3.
NO-Replace the under-hood fuse/relay box.
3. Check for continuity between the fan control relay 5P socket terminal No.2 and body ground.

Is there continuity? YES-Replace the under-hood fuse/relay box.
NO-Repair open in the wire between the fan control relay 5P socket terminal No.2 and body ground. If the wire is OK, check for poor ground at G301.
Fuel and Emissions Systems
General Troubleshooting Information
A/C Service Tips and Precautions
Operating the XM Radio