W/Harness Inspection

Terminal and Connector Inspection

1. Many malfunctions in the electrical system are caused by poor harness and terminals.
Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
2. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration,or damage.
3. Has a problem been found ?






CAN Signal Inspection

1. Ignition ON, Engine : ON.
2. TCCU connector : Connect.
3. Monitor signal waveform between terminal 4, 5 of TCCU harness connector and chassis ground.
4. Start and drive vehicle in gear and maintain vehicle speed approx. 10 km/h or less (6 mph or less)

Specification : Signal Waveform & Data






CAUTION:
The above value is only for reference.
The actual value may differ from it according to various engine condition.

5. Is CAN (FLSS)comm. Line Signal display near the specified value ?






CAN comm. Line Inspection

1. IG "OFF" & ENG "OFF"
2. TCCU connector : Disconnect.
3. Measure resistance between terminal "4" of the TCCU harness connector and terminal "5" of the TCCU harness connector.

Specification : Approx. 60 ohms






CAUTION:
The above value is only for reference.
The actual value may differ from it according to various engine condition.

4. Is resistance display near the specified value ?