DESCRIPTION
The smart key system uses the combination meter buzzer to perform various vehicle interior warnings. When the conditions for each warning are met, the certification ECU (smart key ECU assembly) sends a buzzer signal to the combination meter assembly, and the combination meter buzzer sounds.
CAUTION / NOTICE / HINT
NOTICE:
The smart key system (for entry function) uses a multiplex communication system
(LIN communication system) and CAN communication system. Inspect the communication
function by following How to Proceed with Troubleshooting (See page
). Troubleshoot the smart key system (for entry
function) after confirming that the communication system is functioning properly.
PROCEDURE
1. |
CHECK COMBINATION METER ASSEMBLY (OPERATION) |
(a) When the engine switch is on (IG) and the shift lever is in R, check that the combination meter buzzer sounds.
OK:
Combination meter buzzer sounds.
OK | ![]() |
REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) |
NG | ![]() |
GO TO METER / GAUGE SYSTEM (Proceed to Problem Symptoms Table) |
Rear Sensor Communication Malfunction (C1AED)
DESCRIPTION
This DTC is stored when there is an open or short circuit in the communication
line between the rear sensors and the ECU, or when there is a malfunction in a rear
sensor.
DTC No.
DTC Detection Condition
Troubl ...
Removal
REMOVAL
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for the RH side and LH side.
The procedure listed below is for the LH side.
PROCEDURE
1. REMOVE REAR WHEEL
2. SEPARATE REAR FLEXIBLE HOSE
3. SEPARATE REAR DISC BRAKE CALIP ...
Removal
REMOVAL
PROCEDURE
1. DISCONNECT FRONT DOOR OPENING TRIM WEATHERSTRIP
2. REMOVE FRONT PILLAR GARNISH
3. REMOVE NO. 2 INSTRUMENT PANEL SPEAKER PANEL SUB-ASSEMBLY
4. REMOVE FRONT NO. 4 SPEAKER ASSEMBLY (for 13 Speakers)
(a) Remove the 2 ...