Rear Blend Pot Circuit Open (Active)

Test 1 - 2:

Tests 3 - 5:

SYMPTOM
REAR BLEND POT CIRCUIT OPEN (ACTIVE)

WHEN MONITORED
With the ignition ON.

SET CONDITION
This DTC Will set if the Rear A/C - Heater Control, rear blend control circuit is open or shorted high, or if the rear blend potentiometer resistance is out of specification.

POSSIBLE CAUSES
- 5 Volt supply CKT/rear TEMP Sensor signal CKT Shorted high
- Rear A/C - heater control
- Rear temperature sensor signal circuit open
- Sensor return circuit open
- Rear A/C - heater control
- A/C - heater control module