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:
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DTC C1647 is stored when a malfunction signal sent from the electronically controlled brake system is detected.
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If the malfunctioning part has been repaired or replaced before rechecking for DTCs, DTC C1647 will not be output again.
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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.
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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 |
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