DESCRIPTION
DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Memory | Note |
---|---|---|---|---|---|
C123A14 | Supply Voltage Circuit IG Open |
|
| DTC stored | An electric parking brake system malfunction is displayed on the multi-information display. |
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
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PROCEDURE
1. | CHECK HARNESS AND CONNECTOR (IG1 TERMINAL VOLTAGE) |
(a) Disconnect the A41 skid control ECU (brake actuator assembly) connector.
(b) Turn the engine switch on (IG).
(c) Measure the voltage according to the value(s) in the table below. Standard Voltage:
|
|
OK | ![]() | REPLACE SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY) |
NG | ![]() | REPAIR OR REPLACE HARNESS OR CONNECTOR |
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Can Communication System: Terminals Of Ecu
TERMINALS OF ECU NOTICE:
After turning the engine switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work.
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Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Vehicle Stability Control System: Right Rear Wheel Speed Sensor Circuit Short to Ground or Open (C051214)
DESCRIPTION Refer to DTC C05121F. Click here DTC No. Detection Item DTC Detection Condition Trouble Area C051214 Right Rear Wheel Speed Sensor Circuit Short to Ground or Open An open in the speed sensor signal circuit continues for 0.5 seconds or more.
Rear speed sensor RH*1
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