DESCRIPTION
These solenoids turn on when signals are received from the skid control ECU (brake actuator assembly) and they control the pressure acting on the wheel cylinders to control the braking force.
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
---|---|---|---|
C1225 |
SM Solenoid Circuit |
Solenoid valve signal does not match the check result. |
|
C1226 |
SA2 Solenoid Circuit |
Solenoid valve signal does not match the check result. |
|
C1227 |
SA3 Solenoid Circuit |
Solenoid valve signal does not match the check result. |
|
C1228 |
STR Solenoid Circuit |
Solenoid valve signal does not match the check result. |
|
C1468 |
SFR Solenoid Circuit |
Solenoid valve signal does not match the check result. |
|
C1469 |
SFL Solenoid Circuit |
Solenoid valve signal does not match the check result. |
|
C146A |
SRR Solenoid Circuit |
Solenoid valve signal does not match the check result. |
|
C146B |
SRL Solenoid Circuit |
Solenoid valve signal does not match the check result. |
|
WIRING DIAGRAM
Refer to DTC C146E.
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PROCEDURE
1. |
RECONFIRM DTC |
HINT:
These codes are detected when a problem is determined in the skid control ECU (brake actuator assembly).
The solenoid circuits are in the skid control ECU (brake actuator assembly).
Therefore, solenoid circuit inspection and solenoid unit inspection cannot be performed. Be sure to check if any DTCs are output before replacing the skid control ECU (brake actuator assembly).
(a) Clear the DTCs.
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Chassis > ABS/VSC/TRAC/EPB > Clear DTCs(b) Turn the ignition switch off.
(c) Start the engine.
(d) Drive the vehicle at a speed of 20 km/h (12 mph) or more.
(e) Check if the same DTC is output.
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Chassis > ABS/VSC/TRAC/EPB > Trouble Codes
Result |
Proceed to |
---|---|
DTCs C1225, C1226, C1227, C1228, C1468, C1469, C146A and C146B are not output. |
A |
DTCs C1225, C1226, C1227, C1228, C1468, C1469, C146A and/or C146B are output. |
B |
HINT:
A |
USE SIMULATION METHOD TO CHECK |
B |
REPLACE BRAKE ACTUATOR ASSEMBLY |
Toyota CH-R Service Manual > Roof Headlining: Reassembly
REASSEMBLY
PROCEDURE
1. INSTALL HEADLINING LIGHT CASE
(a) Align the markings on the roof headlining with the headlining light case
and install it using hot melt glue.
*a
Marking
-
-
2. INSTALL NO. 2 ANTENNA CORD SUB-ASSEMBLY
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Toyota CH-R Service Manual > Smart Key System(for Start Function): Brake Signal Malfunction (B2284)
DESCRIPTION
This DTC is stored when the brake signal sent via direct line and the brake signal
sent via CAN communication do not match.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
Note
B2284
Brake ...