Lexus ES: G Sensor Failure (C1647)
DESCRIPTION
The clearance warning sonar ECU assembly communicates with the airbag sensor assembly (yaw rate and acceleration sensor) via CAN communication, and if it is determined that the airbag sensor assembly (yaw rate and acceleration sensor) is malfunctioning, DTC C1647 is stored.
DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
C1647 | G Sensor Failure | Airbag sensor assembly malfunction | Electronically controlled brake system |
CAUTION / NOTICE / HINT
PROCEDURE
(a) Using the Techstream, check for DTCs according to the prompts on the screen.
Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Trouble Codes
(b) Clear the DTCs according to the screen on the Techstream.
Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Clear DTCs
(c) Recheck for DTCs.
Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Trouble Codes
HINT:
-
DTC C1647 is stored when a malfunction signal sent from the electronically controlled brake system is detected.
-
If the malfunctioning part has been repaired or replaced before rechecking for DTCs, DTC C1647 will not be output again.
-
If DTC C1647 is output frequently, duplicate the conditions that cause the problem symptoms and perform troubleshooting again, even though the DTC was not output when rechecking for DTCs.
Click here
Result | Proceed to |
DTC C1647 is output | A |
DTC C1647 is not output | B |
A | | GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM |
B | | USE SIMULATION METHOD TO CHECK |
READ NEXT:
DESCRIPTION When a malfunction signal sent from the air conditioning system via CAN communication is detected by the clearance warning ECU assembly, DTC C1652 is stored. DTC No. Detection Item
CALIBRATION NOTICE: When any of the following parts have been replaced, perform adjustment shown in the following table. If not, the parking support brake system may not operate correctly. PRECAUTION
CUSTOMIZE PARAMETERS CUSTOMIZE PARKING SUPPORT BRAKE SYSTEM (a) Customizing with the Techstream. NOTICE:
When the customer requests a change in a function, first make sure that the function can be
SEE MORE:
PROCEDURE 1. CHECK AUDIO SETTINGS (a) Set treble, middle and bass to the initial values and check that the sound is normal. OK: The sound returns to normal. HINT: Sound quality adjustment measures vary according to the type of amplifier. OK END
NG 2. COMPARE
INSTALLATION PROCEDURE 1. INSTALL FRONT ENGINE MOUNTING INSULATOR (a) Install the stay to the front engine mounting insulator with the nut. Torque: 6.0 N·m {61 kgf·cm, 53 in·lbf} (b) Install the front engine mounting insulator to the front frame assembly with the 3 nuts. Torque: 72 N·m {734 kg
© 2016-2025 Copyright www.lexguide.net
