Toyota Camry (XV70): ABS Solenoid Control Module Actuator Stuck On (C143A7E,C143A7F,C143D49,C14DA14)
DESCRIPTION
The ABS solenoid relay is built into the skid control ECU in the brake actuator assembly. The ABS solenoid relay supplies power to each solenoid.
The skid control ECU (brake actuator assembly) detects an ABS solenoid relay malfunction by performing a self check and relay operation check.
|
DTC No. | Detection Item |
DTC Detection Condition | Trouble Area |
|---|---|---|---|
|
C143A7E | ABS Solenoid Control Module Actuator Stuck On |
When an ABS solenoid relay OFF request is sent, the ABS solenoid relay remains ON for 0.065 seconds or more. |
Skid control ECU (brake actuator assembly) |
|
C143A7F | ABS Solenoid Control Module Actuator Stuck Off |
When an ABS solenoid relay ON request is sent, the ABS solenoid relay remains OFF for 0.015 seconds or more. |
Skid control ECU (brake actuator assembly) |
|
C143D49 | ABS Solenoid Control Module Internal Electronic Failure |
A malfunction in the ABS solenoid relay drive circuit is detected during the self test. |
Skid control ECU (brake actuator assembly) |
|
C14DA14 | ABS Solenoid Supply Voltage Circuit Short to Ground or Open |
The ABS solenoid voltage is less than 40% of the +BS voltage for 0.185 seconds or more. |
Skid control ECU (brake actuator assembly) |
CAUTION / NOTICE / HINT
NOTICE:
After replacing the skid control ECU (brake actuator assembly), perform acceleration sensor zero point calibration and system information memorization.
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PROCEDURE
| 1. |
REPLACE BRAKE ACTUATOR ASSEMBLY |
(a) Replace the skid control ECU (brake actuator assembly).
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DTC No. Detection Item
DTC Detection Condition Trouble Area
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ABS Operates Before Necessary When Braking
DESCRIPTION Troubleshooting for when ABS operates too soon due to a noisy signal from the speed sensor, a difference in output, etc. CAUTION / NOTICE / HINT
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After replacing or removing and installing a speed sensor, perform Dealer Mode (Signal Check) inspection to confirm that the spee
Terminals Of Ecu
TERMINALS OF ECU BLIND SPOT MONITOR SENSOR RH (MASTER)
Terminal No. (Symbol)
Wiring Color Terminal Description
Condition Specified Condition
W5-4 (OMIR) - W5-10 (BRGD)
R - W-B Outer rear view mirror indicator RH power source
Outer rear view mirror indicat
