Trouble Symptom Chart

WARNING: This page is about a different car, the 2008 Mitsubishi Lancer. However, it is still accessible from the selected car via links, so may be relevant.

TROUBLE SYMPTOM CHART

Trouble symptom	Reference page
Scan tool cannot communicate with KOS-ECU.	INSPECTION PROCEDURE 1: SCAN TOOL CANNOT COMMUNICATE WITH KOS-ECU.
The keyless operation key cannot be registered using scan tool.	INSPECTION PROCEDURE 2: THE KEYLESS OPERATION KEY CANNOT BE REGISTERED USING SCAN TOOL.
Abnormality in KOS-ECU power supply and ground circuits.	INSPECTION PROCEDURE 3: ABNORMALITY IN KOS-ECU POWER SUPPLY AND GROUND CIRCUITS
Keyless operation warning display does not disappear.	INSPECTION PROCEDURE 4: KEYLESS OPERATION WARNING DISPLAY DOES NOT DISAPPEAR.
IG knob will not turn (keyless operation is not recognized).	INSPECTION PROCEDURE 5: IG KNOB WILL NOT TURN (KEYLESS OPERATION IS NOT RECOGNIZED).
The engine will not start with KOS (IG knob operates normally).	INSPECTION PROCEDURE 6: THE ENGINE WILL NOT START WITH KOS (IG KNOB OPERATES NORMALLY).
Engine does not start with emergency key (cranking but no initial combustion).	INSPECTION PROCEDURE 7: ENGINE DOES NOT START WITH EMERGENCY KEY (CRANKING BUT NO INITIAL COMBUSTION).
No door will be locked or unlocked by operating a lock switch on any door, or by touching the unlock sensor.	INSPECTION PROCEDURE 8: NO DOOR WILL BE LOCKED OR UNLOCKED BY OPERATING A LOCK SWITCH ON ANY DOOR, OR BY TOUCHING THE UNLOCK SENSOR.
Driver's door lock switch does not work.	INSPECTION PROCEDURE 9: DRIVER'S DOOR LOCK SWITCH DOES NOT WORK.
Driver's door unlock sensor does not work.	INSPECTION PROCEDURE 10: DRIVER'S DOOR UNLOCK SENSOR DOES NOT WORK.
Front passenger's door lock switch does not work.	INSPECTION PROCEDURE 11: FRONT PASSENGER'S DOOR LOCK SWITCH DOES NOT WORK.
Front passenger's door unlock sensor does not work.	INSPECTION PROCEDURE 12: FRONT PASSENGER'S DOOR UNLOCK SENSOR DOES NOT WORK.
Trunk lid opener switch does not work.	INSPECTION PROCEDURE 13: TRUNK LID OPENER SWITCH DOES NOT WORK.
Keyless entry system does not work.	INSPECTION PROCEDURE 14: KEYLESS ENTRY SYSTEM DOES NOT WORK.
KOS timer lock function does not work.	INSPECTION PROCEDURE 15: KOS TIMER LOCK FUNCTION DOES NOT WORK.
Keyless entry hazard light answerback function, the dome light answerback function or the horn answerback function does not work normally.	INSPECTION PROCEDURE 16: KEYLESS ENTRY HAZARD LIGHT ANSWERBACK FUNCTION, THE DOME LIGHT ANSWERBACK FUNCTION OR THE HORN ANSWERBACK FUNCTION DOES NOT WORK NORMALLY.
The trunk is not opened when the keyless operation key "TRUNK" button is operated.	INSPECTION PROCEDURE 17: THE TRUNK IS NOT OPENED WHEN THE KEYLESS OPERATION KEY "TRUNK" BUTTON IS OPERATED.
Outer tone alarm does not sound.	INSPECTION PROCEDURE 18: OUTER TONE ALARM DOES NOT SOUND.