ECM Communication Stop Mode

CAN COMMUNICATION SYSTEM: ECM Communication Stop Mode

ECM Communication Stop Mode

DESCRIPTION

HINT: "Engine" and "ECT" refer to the circuit that includes the ECM.

WIRING DIAGRAM

INSPECTION PROCEDURE

PROCEDURE

1. CHECK WIRE HARNESS (+B1, +B, E)
(a) Turn the engine switch off.
(b) Disconnect the ECM connectors (E4) and (A5).

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

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE ECM