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Problem Symptoms Table

WARNING: This page is about a different car, the 2003 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.
WIRELESS DOOR LOCK CONTROL SYMPTOMS

Symptom/Suspected Area Refer To
Only Wireless Control Function Does Not Operate (Prepare New Or Normal Transmitter Of The Same Type Vehicle)
1. Transmitter Battery ONLY WIRELESS CONTROL FUNCTION DOES NOT OPERATE (PREPARE NEW OR NORMAL TRANSMITTER OF THE SAME TYPE VEHICLE) 
2. Door Control Transmitter ONLY WIRELESS CONTROL FUNCTION DOES NOT OPERATE (PREPARE NEW OR NORMAL TRANSMITTER OF THE SAME TYPE VEHICLE) 
3. Door Control Receiver ONLY WIRELESS CONTROL FUNCTION DOES NOT OPERATE (PREPARE NEW OR NORMAL TRANSMITTER OF THE SAME TYPE VEHICLE) 
4. Unlock Warning Switch Assy. ONLY WIRELESS CONTROL FUNCTION DOES NOT OPERATE (PREPARE NEW OR NORMAL TRANSMITTER OF THE SAME TYPE VEHICLE) 
5. Wire Harness .....
6. Instrument Panel Junction Block (Body ECU) .....
No answer-back (Hazard warning lamp and wireless door lock buzzer)
1. Wireless Door Lock Buzzer NO ANSWER-BACK (HAZARD WARNING LAMP AND WIRELESS DOOR LOCK BUZZER) 
2. Lighting System LIGHTING SYSTEM
3. Wire Harness .....