Gateway ECU Communication Stop Mode

CAN COMMUNICATION: CAN COMMUNICATION SYSTEM: Gateway ECU Communication Stop Mode

Gateway ECU Communication Stop Mode

DESCRIPTION





HINT: "Body/Gateway" refers to the circuit that includes the gateway ECU.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK OPEN IN CAN BUS WIRE (GATEWAY ECU BRANCH WIRE)
(a) Turn the ignition switch to the LOCK position.
(b) Disconnect the gateway ECU connector (G3).




(c) Measure the resistance according to the value in the table below.
Standard resistance:






NG -- REPAIR OR REPLACE GATEWAY ECU BRANCH WIRE OR CONNECTOR (CAN-H, CAN-L)
OK -- Continue to next step.
2. CHECK WIRE HARNESS (BATT, ACC, IG, GND)




(a) Measure the resistance according to the value(s) in the table below.
Standard resistance:





(b) Measure the voltage according to the value(s) in the table below.
Standard voltage:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE GATEWAY ECU