How To Proceed With Troubleshooting

WARNING: This page is about a different car, the 2011 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. Refer to HOW TO PROCEED WITH TROUBLESHOOTING .

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

VEHICLE BROUGHT TO WORKSHOP
NEXT: Go to next step
CUSTOMER PROBLEM ANALYSIS
1. Interview the customer to confirm the problem. Refer to CUSTOMIZE PARAMETERS .
  NEXT: Go to next step

DTC CHECK

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

Recheck for DTCs.

Result

Result	Proceed to
DTC does not recur	A
DTC recurs	B

B → Go to DTC CHART. Refer to DIAGNOSTIC TROUBLE CODE CHART

A: Go to next step

SYMPTOM SIMULATION
NEXT: Go to next step
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. Refer to TERMINALS OF ECU
2. Data List/Active Test. Refer to DATA LIST / ACTIVE TEST
  NEXT: Go to next step
ADJUST, REPAIR OR REPLACE
NEXT: Go to next step
CONFIRMATION TEST
NEXT → END