Component Testing
WARNING: This page is about a different variant/trim than selected.
NOTE:
You must perform the Circuit/System Testing first.
K71 Transmission Control Module
- Ignition OFF, disconnect the harness connector at the B14A Output Shaft Speed Sensor.
- Connect the red lead of the J-38522 variable signal generator to the sensor signal circuit terminal 2. Connect the black lead of the J-38522 variable signal generator to the low reference circuit terminal 1. Plug the power cord of the J-38522 variable signal generator into the cigar lighter.
- Set the J-38522 variable signal generator to 12 volts, the Frequency to 30, and the Duty Cycle to 50%.
- Ignition ON. Verify the scan tool Transmission OSS parameter is between the following specified ranges as you rotate the frequency switch through the various selections.
- If not within the specified range, replace the K71 Transmission Control Module.
- Go to next step: If within the specified range.
- K71 Transmission Control Module OK.
NOTE:
Testing for steps 2 - 4 is performed on the B14A Output Shaft Speed Sensor harness connector using the GY probes J-35616-2A.