Toyota 4Runner Quiz
Vehicle Exterior

How To Proceed With Troubleshooting

In this manual: Vehicle Exterior
General — 25Audio / Visual / Telematics — 283Brake — 187Drivetrain — 204Power Source / Network — 79Steering — 76Suspension — 130Vehicle Exterior — 391Vehicle Interior — 693
~1min read
CAUTION / NOTICE / HINT

HINT:

Use these procedures to troubleshoot the automatic running board system.

PROCEDURE

  1. VEHICLE BROUGHT TO WORKSHOP

NEXT

  1. INSPECT BATTERY VOLTAGE

Standard voltage:

11 to 14 V

If the voltage is below 11 V, recharge or replace the battery before proceeding.

NEXT

  1. CHECK FOR DTC

(a) Check for DTCs and make a note of any codes that are output.

Result

Proceed to

No DTCs are output

A

DTC is output

B

B

GO TO DIAGNOSTIC TROUBLE CODE CHART
A

  1. PROBLEM SYMPTOMS TABLE

(a) Refer to the Problem Symptoms Table (See page ).


Result

Proceed to

Fault not listed in problem symptoms table

A

Fault listed in problem symptoms table

B

B

GO TO STEP 6
A

  1. OVERALL ANALYSIS AND TROUBLESHOOTING

(a) Operation Check (See page ).


(b) Terminals of ECU (See page ).


NEXT

  1. REPAIR OR REPLACE

NEXT

  1. CONFIRMATION TEST


NEXT

END

Test yourself

A quick Toyota 4Runner quiz: every answer comes with an explanation and a link to the manual page.