Signal Too High. Permanent Fault

Signal too high. Permanent fault

Checking the engine cooling fan (FC) relay








- Ignition off
- Disconnect air conditioning (A/C) condenser fan relay 2/13.
Connect an ohmmeter between the air conditioning (A/C) condenser fan relay terminals #1 and #2 (relay side).

Other information
- To access or replace the relay or fuse, see the inside of the cover on the engine compartment relay/fusebox.









The ohmmeter should read approximately 105 ohms at +20°C.

OK - Checking the signal cable

Not OK - Defective air conditioning (A/C) condenser fan relay

-------------------------------------------------

Checking the signal cable




- Ignition on.
Check the cable between air conditioning (A/C) condenser fan relay base terminal #2 and engine control module (ECM) connector terminal #69. Check for a short-circuit to supply voltage according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
Remedy as necessary.













Continue - Verification

-------------------------------------------------

Defective air conditioning (A/C) condenser fan relay
Try a new air conditioning (A/C) condenser fan relay.

Continue - Verification

-------------------------------------------------

Verification








- Reconnect the connectors, reinstall components etc.
- Connect VCT2000
- Ignition on.
Activate the air conditioning (A/C) condenser fan using VCT2000 according to Activating components/functions Activating Components and Functions.





Does the air conditioning (A/C) condenser fan relay click when it is activated?

Yes - FAULT FOUND

No - No Fault Found Fault-tracing information

-------------------------------------------------

Fault-tracing information




Information

Fault-tracing information
The fault should have been detected and remedied. As this is not the case fault-tracing has failed.
Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.

Do you want to exit fault-tracing?

Yes - Exit fault-tracing

No - Attempt New Test

------------------------

Attempt New Test - Checking the engine cooling fan (FC) relay

-------------------------------------------------