DESCRIPTION
This circuit is from the skid control ECU (brake actuator assembly) to the radio and display receiver assembly.
WIRING DIAGRAM
PROCEDURE
1. |
CHECK ELECTRIC PARKING BRAKE SYSTEM |
(a) Check the operation of the electric parking brake.
NG | ![]() |
GO TO ELECTRIC PARKING BRAKE SYSTEM |
|
2. |
CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY) - RADIO AND DISPLAY RECEIVER ASSEMBLY) |
(a) Disconnect the F131 radio and display receiver assembly connector.
(b) Disconnect the A42 skid control ECU (brake actuator assembly) connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F131-20 (PKB) - A42-33 (PKB) |
Always |
Below 1 Ω |
F131-20 (PKB) or A42-33 (PKB) - Body ground |
Always |
10 kΩ or higher |
OK | ![]() |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Toyota CH-R Service Manual > Electric Parking Brake System: Electric Parking Brake AUTO Indicator Light Circuit
DESCRIPTION
Pulling the electric parking brake switch to the lock side for 5 seconds or more
changes the AUTO function (shift-linked function) to ON, and an AUTO Mode ON message
is displayed on the multi-information display in the combination meter.
Pressing the electric parking brake switch t ...
Toyota CH-R Service Manual > Vehicle Stability Control System: ABS Warning Light Remains ON
DESCRIPTION
The skid control ECU (brake actuator assembly) is connected to the combination
meter assembly via CAN communication. If any of the following is detected, the ABS
warning light remains on:
The skid control ECU (brake actuator assembly) connector is disconnected
from the s ...