DESCRIPTION
The skid control ECU is connected to the combination meter via CAN communication.
WIRING DIAGRAM
Refer to VSC OFF Indicator Light Remains ON (See page
).
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. |
PERFORM ACTIVE TEST USING TECHSTREAM (VSC OFF INDICATOR LIGHT) |
(a) Connect the Techstream to the DLC3.
(b) Start the engine.
(c) Select the Active Test on the Techstream (See page
).
Tester Display |
Test Part |
Control Range |
Diagnostic Note |
---|---|---|---|
VSC OFF Indicator Light |
VSC OFF indicator light |
Indicator light ON/OFF |
Observe accessory meter |
(d) Check that the VSC OFF indicator light on the accessory meter turns on or off in accordance with the Techstream operation.
OK:
The VSC OFF indicator light turns on or off in accordance with the Techstream operation.
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 ).
OK | ![]() |
REPLACE BRAKE ACTUATOR ASSEMBLY |
|
3. |
INSPECT COMBINATION METER ASSEMBLY |
(a) Turn the ignition switch off.
(b) Turn the ignition switch to ON and check the VSC OFF indicator light will come on for approximately 3 seconds (initial check).
(c) Perform the Active Test of the combination meter (meter CPU) using the Techstream
(See page ).
(d) Check the accessory meter.
Result |
Proceed to |
---|---|
OK |
A |
NG (Initial check is normal, and the VSC OFF 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 (See page
).
A | ![]() |
REPLACE BRAKE ACTUATOR ASSEMBLY |
B | ![]() |
REPLACE COMBINATION METER ASSEMBLY |
C | ![]() |
REPLACE ACCESSORY METER ASSEMBLY |
Inspection
INSPECTION
PROCEDURE
1. INSPECT COURTESY LIGHT SWITCH
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
Switch Condition
Specified Condition
...
Open in CAN Main Bus Line
DESCRIPTION
There may be an open circuit in the CAN bus main wire and/or the DLC3 branch
wire when the resistance between terminals 6 (CANH) and 14 (CANL) of the DLC3 is
70 Ω or higher.
Symptom
Trouble Area
Resista ...
Front Power Seat does not Operate with Front Power Seat Switch
DESCRIPTION
Signals are input into the position control ECU and switch assembly. The built-in
ECU manages the signals received from the position control ECU and switch assembly,
and operates each motor. If the position control ECU and switch assembly rece ...