B2786

ENGINE IMMOBILISER: ENGINE IMMOBILISER SYSTEM (w/ Smart Key System): B2786: No Response from Steering Lock ECU
B2786 - No Response from Steering Lock ECU

DESCRIPTION

This DTC is output when the certification ECU does not receive LIN communication from the steering lock ECU for 10 seconds.





WIRING DIAGRAM





INSPECTION PROCEDURE

NOTICE:
* If the certification ECU is replaced, register the key and ECU communication ID Engine Immobiliser System (W/ Smart Key System).
* If the steering lock ECU is replaced, register the ECU code and ECU communication ID Engine Immobiliser System (W/ Smart Key System).

PROCEDURE

1. CHECK DTC OUTPUT

(a) Delete the DTCs Engine Immobiliser System (w/ Smart Key System).

(b) Recheck for DTCs Engine Immobiliser System (w/ Smart Key System).

Result:





B -- END
A -- Continue to next step.

2. CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU - STEERING LOCK ECU)

(a) Disconnect the E58 and E51 ECU connectors.





(b) Measure the resistance according to the value(s) in the table below.

Standard resistance:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

3. CHECK CERTIFICATION ECU

(a) After replacing the certification ECU with a normal one, check for DTCs Engine Immobiliser System (w/ Smart Key System).

Result:





B -- END

A -- REPLACE STEERING LOCK ECU