Toyota Corolla (E120): Source voltage drop

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Precaution
1. Notices when checking  power door lock/unlock function: the wireless remote control function operates only when the following 3 conditions are met.  No key is inserted into the ignition key cylinder.  All the doors are closed. However, doors can be unlocked even wh ...

Power door lock control system
Symptom Suspected area All doors are not operated by driver’s door key cylinder interlocked with key Door lock control switch Front door lock assy lh  Wire harness Integration relay Key confinement prevention function does ...

Inspection procedure
1 Check security indicator light Remove the security indicator.  check the indicator light, as shown in the illustration and table. Standard: 2 Check wire harness (tvip ecu  security indicator) Disconnect the tvip ecu and security indicator connectors.   ...