Power Steering ECU Communication Stop Mode

CAN COMMUNICATION SYSTEM: Power Steering ECU Communication Stop Mode

Power Steering ECU Communication Stop Mode

DESCRIPTION

HINT: "EPS" refers to the circuit that includes the power steering ECU.

WIRING DIAGRAM

INSPECTION PROCEDURE

PROCEDURE

1. CHECK OPEN IN CAN BUS WIRE (POWER STEERING ECU BRANCH LINE)
(a) Turn the engine switch off.
(b) Disconnect the power steering ECU connector (A31).

NG -- REPAIR OR REPLACE POWER STEERING ECU BRANCH WIRE OR CONNECTOR (CANH, CANL)
OK -- Continue to next step.
2. CHECK WIRE HARNESS (IG, PGND)

(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 POWER STEERING ECU