Automatic Transmission Pressure Regulating Valves, Checking
NOTE:
- The Automatic Transmission Pressure Regulating Valve 1 N215, Automatic Transmission Pressure Regulating Valve 2 N216, Automatic Transmission Pressure Regulating Valve 3 N217, Automatic Transmission Pressure Regulating Valve 4 N218, Automatic Transmission Pressure Regulating Valve 5 N233, and the Automatic Transmission Pressure Regulating Valve 6 N371 are components of the Mechatronic unit in the transmission and cannot be serviced individually.
Requirements
- The battery voltage must be at least 12.5 Volts.
- All electrical consumers must be switched off.
- The parking brake must be engaged.
- The elector lever must be in the "P" position.
- The Ground (GND) connections to transmission must be OK.
Test sequence
- Disconnect the Transmission Control Module (TCM) J217 electrical harness connector - direction of the arrow -.
- Observe safety precautions.
- Check the electrical harness connector for contact corrosion and ingress of water.
If the electrical harness connector is not OK:
- Repair the malfunction.
If the electrical harness connector is OK:
- Check the wiring according to the wiring diagram:
If no malfunctions are found in the wiring:
- Replace the Mechatronic unit in the transmission: → for 6 SPD. AUTOMATIC TRANSMISSION 09E ALL WHEEL DRIVE or for 6 SPD. AUTOMATIC TRANSMISSION 09L ALL WHEEL DRIVE .
Final procedures
- Check the DTC memory.
- If necessary, erase the DTC memory. Refer to Diagnostic Mode 04 - Erase DTC Memory .
- If the DTC memory was erased, generate readiness code. Refer to Readiness Code .