NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
NVH Troubleshooting Chart
Use the chart below to help you find the cause of the symptom. If necessary, repair or replace these parts.

×: Applicable
Preparation
Periodic maintenanceC1145, C1146 yaw rate/side/decel G sensor
Description
The yaw rate/side/decel G sensor detects the yaw rate/side/decel G affecting
the vehicle, and transmits the
data to the ABS actuator and electric unit (control unit) as an analog voltage
signal.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.CHECK SELF-DIAGNOSI ...
C1111 pump motor
Description
PUMP
The pump returns the brake fluid stored in the reservoir to the master
cylinder by reducing the pressure.
MOTOR
The motor drives the pump according to the signals transmitted by the ABS
actuator and electric unit (control
unit).
DTC Logic
DTC DETECTION LOGIC
DTC CON ...
M&A branch line circuit
Diagnosis Procedure
1.CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the combination meter for
damage, bend and loose connection
(unit side and connector side).
2.CHECK HARNESS FOR OPEN CI ...