DTC C1730, C2769, C2770 [L3]

id0402008030a1

Note
• When a wheel is rotated with the vehicle jacked up, service code C2770 is detected (4WD)

DTC

C1730, C2769, C2770

G-sensor

DETECTION CONDITION

• C1730
- The power supply voltage for the G-sensor built into the ABS HU/CM is outside the normal range of 4.85-5.15 V
• C2769
- The output voltage for the G-sensor built into the ABS HU/CM is 4.5 V or more, or 0.5 V or less
• C2770
- G-sensor malfunction detected based on the on-board diagnostic function of the ABS HU/CM

POSSIBLE CAUSE

• C1730/C2769
- ABS HU/CM (G-sensor) internal malfunction
• C2770
- ABS HU/CM (G-sensor) internal malfunction, defective installation of ABS HU/CM

Diagnostic Procedure

STEP

INSPECTION

ACTION

1
INSPECT ABS HU/CM FOR INSTALLATION ERROR
• Is the component installation correct?
Yes
Go to the next step.
No
Repair the component, then go to the next step.
2
VERIFY THAT THE SAME DTC IS NOT PRESENT
• Clear the DTC from the memory.
• Verify that the same DTC is not present
• Is the same DTC present?
Yes
Repeat the inspection from Step 1.
If the malfunction recurs, replace the ABS HU/CM, then go to the next step.
No
Go to the next step.
3
VERIFY THAT NO OTHER DTCs ARE PRESENT
• Are any other DTCs present?
Yes
Go to the applicable DTC inspection.
(See DTC Table.)
No
DTC inspection completed.