P0692-COOLING FAN 1 CONTROL CIRCUIT HIGH

For a complete wiring diagram Refer to Section 8W.

When Monitored:
With the ignition on. Battery voltage greater than 10 volts.
Set Condition:
The ECM is requesting the TIPM to turn on the Cooling Fan On and it is not operating. The TIPM detects a shorted condition in the Relay Coil Control circuit. One Trip Fault. Three good trips to turn off the MIL.

Possible Causes

LOW SPEED COOLING FAN RELAY

TOTALLY INTEGRATED POWER MODULE

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING).

Diagnostic Test

1. COOLING FAN RELAY OPERATION

Ignition on, engine not running.
With a scan tool, actuate the Low Speed Cooling Fan Relay RAD FAN 1.

Is the Cooling Fan operating?

Yes

Refer to the *CHECKING FOR AN INTERMITTENT DTC Diagnostic Procedure. (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING)

No

Go To 2

2. LOW SPEED COOLING FAN RELAY

Turn the ignition off.
Verify the Low Speed Cooling Fan Relay is installed properly and that the terminals are making a tight fit.
Remove the Low Speed Cooling Fan Relay and substitute it with a known good Relay.
Ignition on, engine not running.
With a scan tool, actuate the Low Speed Cooling Fan Relay.

Is the Cooling Fan operating?

Yes

Replace the Low Speed Cooling Fan Relay.

Perform the ECM Verification Test Ver. 1. (Refer to 9 - ENGINE - STANDARD PROCEDURE)

No

Go To 3

3. TOTALLY INTEGRATED POWER MODULE

NOTE: Before continuing, check the TIPM harness connector terminals for corrosion, damage, or terminal push out. Repair as necessary.

Using the schematics as a guide, inspect the wire harness and connectors.
Pay particular attention to all Power and Ground circuits.

Were any problems found?

Yes

Repair as necessary.

Perform the ECM Verification Test Ver. 1. (Refer to 9 - ENGINE - STANDARD PROCEDURE)

No

Replace the Totally Integrated Power Module per Service Information.
Perform the ECM Verification Test Ver. 1. (Refer to 9 - ENGINE - STANDARD PROCEDURE)