DESCRIPTION
The skid control ECU is connected to the combination meter via CAN communication.
The slip indicator light blinks during VSC and/or TRAC operation.
When the system fails, the slip indicator light comes on to warn the driver (See
page ).
WIRING DIAGRAM
PROCEDURE
1. |
CHECK CAN COMMUNICATION SYSTEM |
(a) Check if a CAN communication system DTC is output (See page
).
Result |
Proceed to |
---|---|
DTC is not output |
A |
DTC is output |
B |
B | ![]() |
INSPECT CAN COMMUNICATION SYSTEM |
|
2. |
CHECK IF SKID CONTROL ECU CONNECTOR IS SECURELY CONNECTED |
(a) Check if the skid control ECU connector is securely connected.
OK:
The connector is securely connected.
NG | ![]() |
CONNECT CONNECTOR TO ECU CORRECTLY |
|
3. |
CHECK BATTERY |
(a) Check the battery voltage.
Standard voltage:
11 to 14 V
Result |
Proceed to |
---|---|
OK |
A |
NG (for 2GR-FE) |
B |
NG (for 1AR-FE) |
C |
B | ![]() |
CHECK OR REPLACE CHARGING SYSTEM OR BATTERY (for 2GR-FE) |
C | ![]() |
CHECK OR REPLACE CHARGING SYSTEM OR BATTERY (for 1AR-FE) |
|
4. |
INSPECT COMBINATION METER ASSEMBLY |
(a) Turn the ignition switch to ON and check the slip indicator light will come on for approximately 3 seconds (initial check).
(b) Perform the Active Test of the combination meter (meter CPU) using the Techstream
(See page ).
(c) Check the accessory meter.
Result |
Proceed to |
---|---|
OK |
A |
NG (Initial check is normal, and the slip indicator light does not turn on or off in accordance with the Techstream operation) |
B |
NG (Initial check is abnormal) |
C |
HINT:
If troubleshooting has been carried out according to Problem Symptoms Table,
refer back to the table and proceed to the next step before replacing the part (See
page ).
A | ![]() |
REPLACE BRAKE ACTUATOR ASSEMBLY |
B | ![]() |
REPLACE COMBINATION METER ASSEMBLY |
C | ![]() |
REPLACE ACCESSORY METER ASSEMBLY |
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
HINT:
If a trouble code is stored during the DTC check, inspect the trouble areas listed
for that code. For details of the code, refer to the "See page" below.
1. CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) DIAGNOSTI ...
SD Card Communication Malfunction (B158C)
DESCRIPTION
The navigation receiver assembly stores this DTC when the SD card (disc player
disc) cannot be mounted when inserted into the SD card (disc player disc) slot.
DTC No.
DTC Detection Condition
Trouble Area
...
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY)
(a) Disconnect the 2F and 2C driver side junction block connectors.
(b) Disconnect the D50 and D51 main body ECU connectors.
(c) Measure the resistance and voltage according to ...