Trouble Symptom Charts
Trouble Symptom 1 |
Trouble symptom |
Probable cause |
Remedy |
The set vehicle speed varies greatly upward or downward "Surging" (repeated alternating acceleration and deceleration) occurs after setting |
Malfunction of the vehicle speed sensor circuit |
Repair the vehicle speed sensor system, or replace the part |
Malfunction of ECM |
Check input and output signals at ECM |
Trouble symptom |
Probable cause |
Remedy |
The CC system is not canceled when the brake pedal is depressed |
Damaged or disconnected wiring of the brake pedal switch |
Repair the harness or replace the brake pedal switch |
Malfunction of the ECM signals |
Check input and output signals at ECM |
Trouble symptom |
Probable cause |
Remedy |
The CC system is not canceled when the shift lever is moved to the
"N" position (It is canceled, however, when the brake pedal is depressed) |
Damaged or disconnected wiring of inhibitor switch input circuit |
Repair the harness or repair or replace the inhibitor switch |
Improper adjustment of inhibitor switch |
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Malfunction of the ECM signals |
Check input and output signals at ECM |
Trouble symptom |
Probable cause |
Remedy |
Cannot decelerate (coast) by using the "SET/–" switch |
Temporary damaged or disconnected wiring of "SET/–" switch input circuit |
Repair the harness or replace the "SET/–" switch |
Malfunction of the ECM signals |
Check input and output signals at ECM |
Trouble symptom |
Probable cause |
Remedy |
Cannot accelerate or resume speed by using the "RES/+" switch |
Damaged or disconnected wiring, or short circuit, or "RES/+" switch
input circuit |
Repair the harness or replace the "RES/+" switch |
Malfunction of the ECM signals |
Check input and output signals at ECM |
Trouble symptom |
Probable cause |
Remedy |
CC system can be set while driving at a vehicle speed of less than
40km/h (25mph), or there is no automatic cancellation at that speed |
Malfunction of the vehicle-speed sensor circuit |
Repair the vehicle speed sensor system, or replace the part |
Malfunction of the ECM signals |
Check input and output signals at ECM |
Trouble symptom |
Probable cause |
Remedy |
The cruise main switch indicator lamp does not illuminate (But CC
system is normal) |
Damaged or disconnected bulb of cruise main switch indicator lamp |
Repair the harness or replace the part. |
Harness damaged or disconnected |
GPS Antenna. Repair procedures
Removal
Roof Antenna (GPS)
1.
Remove the rear roof trim.
(Refer to the BD group - "Roof trim")
2.
Disconnect the cables ( ...
Inhibitor Switch > Repair procedures
Inspection
1.
Inspect for loosened connectors, faulty connections, bends, corrosion,
contamination, deformation, or damage.
2.
Disconnec ...
IPM (Intelligent integrated Platform Module). Components and Components Location
Components
※ Internal Buzzer : Rear parking assist system buzzer
Signal Characteristics
Symbol
Name
L_
Logic input
...