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
P1726 throttle control signal
Description
The electric throttle control actuator consists of
throttle control motor, accelerator pedal position sensor, throttle
position sensor, etc. The actuator sends a signal to the ECM, and ECM sends the
signal to TCM via CAN
communication.
DTC Logic
DTC DETECTION LOGIC
DTC CONF ...
Cooling fan
Description
The ECM controls the cooling fan corresponding to the vehicle speed, engine
coolant temperature, refrigerant
pressure, and air conditioner ON signal. The control system has 4-step control
[HIGH/MIDDLE/LOW/OFF].
COOLING FAN MOTOR
The cooling fan operates at each speed when the cu ...
Line pressure test
Inspection and Judgment
INSPECTION
Line Pressure Test Procedure
Inspect the amount of engine oil and replenish
if necessary.
Drive the car for about 10 minutes to warm it
up so that the CVT fluid reaches in the range of 50 to 80C
(122 to 176F). Then inspect the ...