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Side Auto Step ECU Power Source Circuit





EXTERIOR PANELS / TRIM: AUTOMATIC RUNNING BOARD SYSTEM: Side Auto Step ECU Power Source Circuit
- Side Auto Step ECU Power Source Circuit

WIRING DIAGRAM





INSPECTION PROCEDURE

NOTICE:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.

PROCEDURE

1. CHECK HARNESS AND CONNECTOR (SIDE AUTO STEP CONTROLLER ECU - BODY GROUND)

(a) Disconnect the A41 side auto step controller ECU assembly connector.

(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.

2. CHECK HARNESS AND CONNECTOR (POWER SOURCE)

(a) Measure the voltage according to the value(s) in the table below.

Standard Voltage:





B -- REPAIR OR REPLACE HARNESS OR CONNECTOR

A -- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Symptom Related Diagnostic Procedures