B2992

DTC B2992 or DTC indicator F and FRESH: An Open in the Thermal Protector Circuit

1. Clear the DTC with the HDS.
2. Turn the ignition switch to LOCK (0), and then turn to ON (II).
3. Do the self-diagnostic with the HDS or climate control unit.
4. Check for DTCs.

Is DTC B2992 or F and FRESH indicated?

YES - Go to step 5.

NO - Intermittent failure, check for loose wires or poor connections on the thermal protector circuit.

5. Clear the DTC with the HDS.
6. Turn the ignition switch to LOCK (0).
7. Disconnect the A/C compressor clutch 3P connector.
8. Connect the A/C compressor clutch 3P connector No. 1 and No. 3 terminals with a jumper wire.






9. Start the engine, and push the A/C button ON.
10. Check for DTCs using the HDS or self-diagnostic.

Is DTC B2992 or F and FRESH indicated?

YES - Go to step 11.

NO - Check for open in the wires between the A/C compressor clutch 3P connector female No. 1 and No. 3 terminals, and check the A/C compressor clutch and the thermal protector.

11. Turn the ignition switch to LOCK (0).
12. Disconnect the jumper wire.
13. Disconnect climate control unit connector B (16P).
14. Check for continuity between the following terminals of climate control unit connector B (16P) and the A/C compressor clutch 3P connector.






Is there continuity?

YES - Substitute a known-good climate control unit, and recheck. If the symptom/indication goes away, replace the original climate control unit.

NO - Repair open in the wire(s) between the climate control unit and the A/C compressor.