Transmission Input Speed Sensor, Checking
NOTE:
The Transmission Input Speed (RPM) Sensor -G182- is a component 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-.
Fig 1: Disconnecting Electrical Connector At Left On Transmission By Turning Twist Lock Counterclockwise
-- 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: ATF PAN, ATF FILTER AND MECHATRONIC OVERVIEW .
Final procedures
- Check the DTC memory. Refer to DIAGNOSTIC MODE 03 - READ DTC MEMORY .
- If necessary, erase the Transmission Control Module (TCM) -J217- memory. Refer to DIAGNOSTIC MODE 04 - ERASE DTC MEMORY .
- If the DTC memory was erased, generate readiness code. Refer to READINESS CODE .