How to Troubleshoot Circuits at the PCM
How to Troubleshoot Circuit at the TCMSpecial Tools Required
Backprobe set 07SAZ-001000A (two required)
1. Remove the passenger's carpet, then remove the right kick panel.
2. Remove the mounting bolts securing the EPS control unit, but do not disconnect EPS control unit connectors, then remove the TCM cover (A).
3. Remove the TCM (B).
4. Connect the backprobe adapters (A) to the stacking patch cords (B), and connect the cords to a multimeter (C).
5. Using the wire insulation as a guide for the contoured tip of the backprobe adapter, gently slide the tip into the connector from the wire side until it touches the end of the wire terminal.
6. If you cannot get to the wire side of the connector or the wire side is sealed, disconnect the connector and use the tester probe to probe the connectors from the terminal side. Do not force the probe into the connector.