DESCRIPTION
The skid control ECU is connected to the combination meter via CAN communication.
WIRING DIAGRAM
Refer to Brake Warning 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. |
CHECK BRAKE WARNING LIGHT |
(a) Disconnect the skid control ECU connector.
(b) Turn the ignition switch to ON.
(c) Check that the brake warning light comes on.
OK:
The brake warning light comes on.
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) Reconnect the skid control ECU connector.
(c) Perform the Active Test of the combination meter (meter CPU) using the Techstream
(See page ).
(d) Check the combination meter.
OK:
The brake warning 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 (See page
).
OK | ![]() |
REPLACE BRAKE ACTUATOR ASSEMBLY |
NG | ![]() |
REPLACE COMBINATION METER ASSEMBLY |
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms. If multiple
suspected areas are listed, the potential causes of the symptoms are listed in order
of probability in the "Suspected Area" column of ...
Relay
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. REMOVE STOP LIGHT CONTROL (BRK) RELAY
(a) Remove the stop light control (BRK) relay.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
...
On-vehicle Inspection
ON-VEHICLE INSPECTION
CAUTION / NOTICE / HINT
CAUTION:
Be sure to follow the correct removal and installation procedures of the curtain
shield airbag assembly.
PROCEDURE
1. INSPECT CURTAIN SHIELD AIRBAG ASSEMBLY (VEHICLE NOT INVOLVED IN COLLISION)
(a) ...