How To Proceed With Troubleshooting

WARNING: This page is about a different car, the 2009 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.

HINT:

The wireless door lock control system troubleshooting procedure is based on the premise that the power door lock control system is operating normally. Check the power door lock control system first before troubleshooting the wireless door lock control system (See HOW TO PROCEED WITH TROUBLESHOOTING ).

Use this procedure to troubleshoot the wireless door lock control system.

VEHICLE BROUGHT TO WORKSHOP
CUSTOMER PROBLEM ANALYSIS
1. Interview the customer to confirm the problem (See CUSTOMIZE PARAMETERS ).

DTC CHECK

Check for DTCs and note any codes that are output.
Clear the DTCs.

Recheck for DTCs.

Result

RESULT REFERENCE

Result	Proceed to
DTC does not recur	A
DTC recurs	B

B: Go to DTC CHART (See DIAGNOSTIC TROUBLE CODE CHART )

A: Go to next step

SYMPTOM SIMULATION
PROBLEM SYMPTOMS TABLE
1. If the fault is not listed in the problem symptoms table, proceed to A.
2. If the fault is listed in the problem symptoms table, proceed to B.
  B: Go to step 8
  
  A: Go to next step
PERFORM TROUBLESHOOTING ACCORDING TO MALFUNCTION SYMPTOM
1. Terminals of ECU (See TERMINALS OF ECU )
2. Data List/Active Test (See DATA LIST / ACTIVE TEST )
ADJUST, REPAIR OR REPLACE
CONFIRMATION TEST
NEXT: END