TROUBLE SYMPTOM CHART


note Prior to diagnosis, check that the fuses for the power supply are not blown and the connectors are connected securely.
Trouble symptom
Inspection procedure number
Reference page
Cannot communicate with KOS&OSS-ECU using the M.U.T.-III.
1

The keyless operation key cannot be registered using the M.U.T.-III.
2

Abnormality in KOS&OSS-ECU power supply and earth 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 tailgate lock release handle do not work.
7

The lock switch of the tailgate lock release handle does not perform the locking operation.
8

The open switch of the tailgate lock release handle does not perform the unlocking operation.
9

Keyless entry function does not work.
10

KOS timer lock function does not work.
11

Keyless entry hazard answer back function or the room lamp answer back function does not work normally.
12

Multimode keyless entry function does not work at all.
13

Outer buzzer does not sound.
14

Vehicle power does not turn ON (Not possible with both of power supply mode ACC and ON).
15

Engine does not start (Cranking is not performed).
16

Vehicle power cannot be turned OFF when the shift position is in P (Power supply mode ON to ACC is possible).
17

Electric steering lock does not become locked (Power supply mode is OFF).
18

ACC power auto cut function does not work normally.
19

Vehicle power cannot be turned "OFF".
20