How To Proceed With Troubleshooting
EXTERIOR PANELS / TRIM: AUTOMATIC RUNNING BOARD SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING
HINT
Use these procedures to troubleshoot the automatic running board system.
1. VEHICLE BROUGHT TO WORKSHOP
NEXT -- Continue to next step.
2. INSPECT BATTERY VOLTAGE
Standard voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery before proceeding.
NEXT -- Continue to next step.
3. CHECK FOR DTC
(a) Check for DTCs and make a note of any codes that are output.
Result
B -- GO TO DIAGNOSTIC TROUBLE CODE CHART Automatic Running Board System
A -- Continue to next step.
4. PROBLEM SYMPTOMS TABLE
(a) Refer to Problem Symptoms Table Symptom Related Diagnostic Procedures.
Result
B -- GO TO STEP 6
A -- Continue to next step.
5. OVERALL ANALYSIS AND TROUBLESHOOTING
(a) Operation Check Operation Check.
(b) Terminals of ECU Pinout Values and Diagnostic Parameters.
NEXT -- Continue to next step.
6. REPAIR OR REPLACE
NEXT -- Continue to next step.
7. CONFIRMATION TEST
NEXT -- END