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9F-4 Security and Locks:
Keyless Entry System Symptom Diagnosis
NOTE:
• Confirm that power door lock system is in good condition before referring to the following possible
causes.
• Check each part in the order from the top of the following list.
Condition
All door can not be locked
/ unlocked by only
keyless entry transmitter
Turn signal lights can not
be flashed when doors
are locked / unlocked by
keyless entry transmitter
Interior light does not
light when doors are
unlocked by keyless entry
transmitter
Transmitter code can not
be programmed to BCM
Keyless Entry System Operation Inspection
1) Confirm that power door lock system operates
normally, refer to "Power Door Lock System
Operation Inspection: ".
2) All doors are closed and unlocked.
3) Check the following operation:
a) Push "lock" button (1) on transmitter (2) once,
and check all doors lock and hazard waning
lights flash once.
b) Push "unlock" button (3) on transmitter (2) twice,
and check all doors unlock and hazard waning
lights flash twice and interior light turns on
several seconds with the interior light switch in
the middle position.
Possible cause
Transmitter battery dead
Door switch faulty
Key remainder switch in ignition switch
faulty
Wiring or grounding faulty
Transmitter faulty
BCM faulty
Turn signal and hazard warning relay
faulty
Wiring or grounding faulty
BCM faulty
Wiring or grounding faulty
BCM faulty
Wiring or grounding faulty
Door switch faulty
Keyless entry receiver faulty
Key reminder switch in ignition switch
faulty
BCM faulty
S4RS0A9604005
Correction / Reference Item
Replace battery referring to "Replacement of
Transmitter Battery: ".
Check door switch referring to "Door Switch
(Front / Rear Door) Inspection: in Section 9C"
and/or "Rear End Door Switch Inspection: in
Section 9C".
Check ignition switch referring to "Ignition
Switch Inspection: in Section 9C".
Repair circuit.
Replace transmitter.
Replace after making sure that none of above
parts is faulty.
Check turn signal and hazard warning relay
referring to "Turn Signal and Hazard Warning
Relay Inspection: in Section 9B".
Repair circuit.
Replace after making sure that none of above
parts is faulty.
Repair circuit.
Replace after making sure that none of above
parts is faulty.
Repair circuit.
Check door switch referring to "Door Switch
(Front / Rear Door) Inspection: in Section 9C"
and/or "Rear End Door Switch Inspection: in
Section 9C".
Check keyless entry receiver referring to
"Keyless Entry Receiver and Its Circuit
Inspection: ".
Check ignition switch referring to "Ignition
Switch Inspection: in Section 9C".
Replace after making sure that none of above
parts is faulty.
If malfunction is found, go to "Keyless Entry System
Symptom Diagnosis: ".
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