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TROUBLE SYMPTOM CHART
notePrior to diagnosis, check that the fuses for the power supply are not blown and the connectors are connected securely.
Trouble symptomInspection procedure numberReference page
Cannot communicate with KOS&OSS-ECU using the scan tool (M.U.T.-IIISE).1
The keyless operation key cannot be registered using the scan tool (M.U.T.-IIISE).2
Abnormality in KOS&OSS-ECU power supply and ground circuits.3
Keyless operation warning display does not disappear. 4
No door will be locked or unlocked by operating a lock/unlock switch on any door.5
Front door lock/unlock switch does not work.6
The lock switch and open switch of the liftgate lock release handle do not work.7
Keyless entry function does not work.8
KOS timer lock function does not work.9
Keyless entry hazard answer back function does not work normally.10
Multimode keyless entry function does not work at all. <Up to 18 Model year>11
Keyless operation tone alarm does not sound.12
Vehicle power does not turn "ON" (Not possible with both of power supply mode "ACC" and "ON").13
Engine does not start (Cranking is not performed).14
Vehicle power cannot be turned "OFF" when the shift position is in P (Power supply mode "ON" to "ACC" is possible). 15
ACC power auto cut function does not work normally.16
Vehicle power cannot be turned "OFF."17