From 08/2009

DOOR / HATCH: POWER BACK DOOR SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

HINT
* Use the following procedure to troubleshoot the power back door system.
* *1: Use the Techstream.
* *2: for models with the "PBD Assist Open Operation" customize setting item.
1. VEHICLE BROUGHT TO WORKSHOP

NEXT -- Continue to next step.

2. CUSTOMER PROBLEM ANALYSIS

HINT
* In troubleshooting, confirm that the problem symptoms have been accurately identified. Preconceptions should be discarded in order to make an accurate judgment. To clearly understand what the problem symptoms are, it is extremely important to ask the customer about the problem and the conditions at the time the malfunction occurred.
* Gather as much information as possible for reference. Past problems that seem unrelated may also help in some cases.
* The following 5 items are important points in problem analysis:






NEXT -- Continue to next step.

3. INSPECT BATTERY VOLTAGE

Standard Voltage:

11 to 14 V

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

NEXT -- Continue to next step.

4. CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*1

(a) Use the Techstream to check if the CAN communication system is functioning normally.

Result:





B -- GO TO CAN COMMUNICATION SYSTEM How to Proceed With Troubleshooting
A -- Continue to next step.

5. CHECK FOR DTC (WIRELESS DOOR LOCK CONTROL SYSTEM)*1

(a) Clear the DTCs Reading and Clearing Diagnostic Trouble Codes.

(b) Recheck for DTCs.

Result:





B -- GO TO WIRELESS DOOR LOCK CONTROL SYSTEM B1242
A -- Continue to next step.

6. CHECK FOR DTC (SMART ACCESS SYSTEM WITH PUSH-BUTTON START (for Entry Function))*1, 2

(a) Clear the DTCs Smart Access System With Push-Button Start (for Entry Function).

(b) Recheck for DTCs.

Result:





B -- GO TO SMART ACCESS SYSTEM WITH PUSH-BUTTON START (for Entry Function) B27A8
A -- Continue to next step.

7. CHECK FOR DTC*1

(a) Clear the DTCs Power Back Door System.

(b) Recheck for DTCs.

Result:





B -- GO TO DIAGNOSTIC TROUBLE CODE CHART Power Back Door System
A -- Continue to next step.

8. PROBLEM SYMPTOMS TABLE

(a) Refer to Problem Symptoms Table Problem Symptoms Table.

Result:





B -- Go to step 10
A -- Continue to next step.

9. OVERALL ANALYSIS AND TROUBLESHOOTING*1

(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.

10. ADJUST, REPAIR OR REPLACE

NEXT -- Continue to next step.

11. CONFIRMATION TEST

NEXT -- END