Problem Symptoms Table
WARNING: This page is about a different car, the 2003 Lexus LX 470. However, it is still accessible from the selected car via links, so may be relevant.
Perform troubleshooting of the circuit for the applicable problem symptom in the order given in the chart below. Proceed to the page located for each circuit.
HINT:
- Troubleshooting of the wireless door lock control system is based on the premise that the door lock control system and theft deterrent system are operating normally. Accordingly, before troubleshooting the wireless door lock control system, first make certain that the door lock control system and theft deterrent system are operating normally.
- If the instruction "Proceed to next circuit inspection shown on matrix chart" is given in the flow chart for each circuit, proceed to the circuit with the next highest number in the table to continue the check.
- If the trouble still reappears even through there are no abnormalities in any of the other circuits, check and replace the Wireless Door Lock ECU as the last step.
PROBLEM SYMPTOMS
| Symptom | Suspect Area | Go To |
|---|---|---|
| All function of wireless door lock control system do not operate. |
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| Only door unlock operation is not possible (Lock operation is possible). |
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| Only door lock operation is not possible (Unlock operation is possible). |
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| Only transmitter misoperation prevention function is not possible. |
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| Wireless door lock function operates even when each door is opened. |
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| Wireless door lock functions incorrectly. (Although one door is unlocked, when the transmitter switch is pressed, all doors unlock.) |
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| Wireless door lock operates, but the buzzer does not sound. |
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| Wireless door lock operates, but the taillight does not respond. |
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