1. Remove the bulkhead harness connector from TCM. Transmission Control Module (TCM) > REMOVAL 2. Set the ST between the TCM and bulkhead harness.
3. Set the probe of oscilloscope to the check board connector. Terminals: No. 14 (+) — No. 42 (−)
4. Start and warm up the engine. 5. Check the waveform of primary speed sensor with engine idling. NOTE: The waveform cycle changes as the speed changes. |
Dtc b1440 air mix door actuator circuit open (driver)
DTC DETECTING CONDITION:Air mix door actuator potentiometer circuit is open.TROUBLE SYMPTOM:• Temperature cannot be adjusted.• Temperature of the driver’s side cannot be adjusted for model with left/right independent air conditioner.WIRING DIAGRAM:Air conditioning system Air Condi ...