Lexus ES: (Horizontality) G Sensor Malfunction (C1787)
Lexus ES (XZ10) Service Manual / Suspension / Suspension Control / Adaptive Variable Suspension System / (Horizontality) G Sensor Malfunction (C1787)
DESCRIPTION
The absorber control ECU receives a signal from the yaw rate and acceleration sensor (airbag ECU assembly) via CAN communication.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Warning Indicate | Memory |
|---|---|---|---|---|---|
| C1787 | (Horizontality) G Sensor Malfunction | While the engine switch is on (IG), yaw rate and acceleration sensor (airbag ECU assembly) malfunction signal is detected for 1 second or more. | Electronically controlled brake system | Does not come on | Yes |
PROCEDURE
| 1. | GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM |
(a) Go to electronically controlled brake system.
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| NEXT | .gif) | END |
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DESCRIPTION When the absorber control ECU has not acquired the vehicle identification information, DTC C1789 is stored. When the vehicle identification information is correctly acquired, this DTC is c
Lost Communication With ECM/PCM "A" (U0100-U0122,U0124,U0126,U1103)
DESCRIPTION The absorber control ECU receives signals from the ECM, skid control ECU (brake actuator assembly), airbag ECU assembly, steering sensor and engine stop and start ECU* via CAN communicatio
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System Diagram
SYSTEM DIAGRAM Communication Table Transmitting ECU (Transmitter) Receiving ECU Signal Communication Method Main Body ECU (Multiplex Network Body ECU) Multiplex Tilt and Telescopic ECU
IG SW signal
Store command of driver seat memory
Recall command of driver seat memory
A
Installation
INSTALLATION PROCEDURE 1. INSTALL FLOW SHUTTING VALVE (WATER BY-PASS HOSE ASSEMBLY) (a) Connect the flow shutting valve (water by-pass hose assembly) to the water by-pass outlet sub-assembly and slide the clip to secure it. NOTICE:
Make sure to slide the flow shutting valve (water by-pass ho
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