How To Proceed With Troubleshooting
ENGINE HOOD / DOOR: POWER BACK DOOR SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING
HINT
* Use the following procedures to troubleshoot the power back door system.
* *: Use Techstream.
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 COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*
(a) Use Techstream to check if the CAN communication system is functioning normally.
Result:
B -- Go to CAN COMMUNICATION SYSTEM
A -- Continue to next step.
4. CHECK FOR DTC*
(a) Check for DTCs Power Back Door System.
(b) Clear the DTCs Power Back Door System.
(c) Recheck for DTCs Power Back Door System.
Result:
B -- Go to DIAGNOSTIC TROUBLE CODE CHART
A -- Continue to next step.
5. PROBLEM SYMPTOMS TABLE
Result:
B -- Go to step 7
A -- Continue to next step.
6. OVERALL ANALYSIS AND TROUBLESHOOTING*
(a) Operation check Operation Check
(b) Terminals of ECU Power Back Door System
(c) Data List / Active Test Power Back Door System
NEXT -- Continue to next step.
7. REPAIR OR REPLACE
NEXT -- Continue to next step.
8. CONFIRMATION TEST
NEXT -- END