DTC B1232 (0A)
DTC B1232 or DTC indicator 0A : A short in the evaporator temperature sensor circuit
| DTC Description | DTC |
|---|---|
| B1232 A short in the evaporator temperature sensor circuit |
DTCs (AC)
- Problem verification
-1. Clear the DTC with the HDS.
-2. Turn the vehicle to the OFF (LOCK) mode and then the ON mode.
-3. Do the Self-Diagnostic Function with the HDS or the climate control unit .
-4. Check for DTCs.
DTC Description DTC B1232 A short in the evaporator temperature sensor circuit Is DTC B1232 or 0A indicated?
YES
The failure is duplicated. Go to step 2.
NO
Intermittent failure. Check for loose wires or poor connections on the evaporator temperature sensor circuit.
- Shorted wire check (T-EVA line)
-1. Turn the vehicle to the OFF (LOCK) mode.
-2. Disconnect the following connector.
Climate control unit connector B (24P) Evaporator temperature sensor 2P connector -3. Check for continuity between test points 1 and 2.
Test condition Vehicle OFF (LOCK) mode Climate control unit connector B (24P): disconnected Evaporator temperature sensor 2P connector: disconnected Test point 1 Climate control unit connector B (24P) No. 8 Test point 2 Body ground Is there continuity?
YES
Repair a short to ground in the T-EVA wire.
NO
The T-EVA wire is not shorted. Go to step 3.
- Shorted wire check (T-EVA line to SENS-COM line)
-1. Check for continuity between test points 1 and 2.
Test condition Vehicle OFF (LOCK) mode Climate control unit connector B (24P): disconnected Evaporator temperature sensor 2P connector: disconnected Test point 1 Climate control unit connector B (24P) No. 8 Test point 2 Climate control unit connector B (24P) No. 10 Is there continuity?
YES
Repair a short in the T-EVA wire to SENS-COM wire.
NO
The TEVA wire and the SENS-COM wire are OK. Go to step 4.
- Evaporator temperature sensor check
-1. Test the evaporator temperature sensor .
Is the evaporator temperature sensor OK?
YES
Replace the climate control unit .
NO