System Inspection

System Inspection
1. Connect the data link connector terminals TFA and GND with a jumper wire.
2. Turn ignition switch ON.




3. Verify that electrical coolant fans operate.

Relay Inspection
1. Connect the special service tool (SST) (Engine Signal Monitor Adaptor Harness) to the powertrain control module engine (PCME).
2. Turn ignition switch ON.
3. Short the PCME terminals and verify that the coolant fan relays operate as described below.




Relay Operation

4. If not as specified, check the harness and relays.

Refer to: Cooling System/ Cooling Fan Motor Relay.