Hybrid Vehicle Control ECU Communication Stop Mode

CAN COMMUNICATION: CAN COMMUNICATION SYSTEM: Hybrid Vehicle Control ECU Communication Stop Mode

Hybrid Vehicle Control ECU Communication Stop Mode

DESCRIPTION





WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK CAN BUS LINE FOR DISCONNECTION (HYBRID VEHICLE CONTROL ECU BRANCH WIRE)




(a) Disconnect the H14 hybrid vehicle control ECU connector.
(b) Measure the resistance of the wire harness side connector.
Standard resistance:






NG -- REPLACE HYBRID VEHICLE CONTROL ECU BRANCH WIRE AND CONNECTOR (CANH, CANL)
OK -- Continue to next step.

2. CHECK WIRE HARNESS (HYBRID VEHICLE CONTROL ECU - BATTERY AND BODY GROUND)




(a) Disconnect the H16 hybrid vehicle control ECU connector.
(b) Measure the resistance of the wire harness side connector.
Standard resistance:





(c) Measure the voltage of the wire harness side connectors.
Standard voltage:






NG -- REPAIR OR REPLACE HARNESS AND CONNECTOR
OK -- REPLACE HYBRID VEHICLE CONTROL ECU