No. 1 Keyless Entry System Does Not Function (Door)
Flowchart No.1 Symptom Keyless entry system does not function (Door)
Possible cause
^ Burnt ROOM 15A fuse
^ Damaged keyless unit
^ Damaged CPU
^ Damaged transmitter
^ Open or short circuit in wiring harness
^ Poor connection of connector
Step 1
Fuse Inspection:
Action Chart:
Check the ROOM 15A fuse in the fuse block.
Step 2
1. Open the trunk lid.
Voltmeter Connection:
Action Chart:
2. Measure the voltage at the (L/R) terminal wire of the keyless unit connector in the trunk compartment.
Step 3
1. Disconnect the keyless unit connector.
Ohmmeter Connection:
Action Chart:
2. Check for continuity between the (B) terminal wire and ground.
Step 4
Voltmeter Connection:
Action Chart:
Measure the voltage at terminal wire 2R (R/Y) of the CPU connector.
Step 5
Voltmeter Connection:
Action Chart:
Measure the voltage at terminal E (R/Y) wires of the keyless unit connectors.
Transmitter Function:
Action Chart:
Step 6
1. Replace the transmitter batteries.
2. Press the LOCK or UNLOCK button.