Dtc P1575 Warning Buzzer Malfunction

Engine Hybrid System. Land Cruiser. Urj200, 202 Grj200 Vdj200
Cruise Control. Land Cruiser. Urj200, 202 Grj200 Vdj200

DESCRIPTION

INSPECTION PROCEDURE

PERFORM ACTIVE TEST USING INTELLIGENT TESTER (BUZZER)

CHECK DTC (DYNAMIC RADAR CRUISE CONTROL SYSTEM)

DTC P1575 Warning Buzzer Malfunction


DESCRIPTION


DTC Code
DTC Detection Condition
Trouble Area
P1575
The vehicle speed is 50 km/h (30 mph) or more with the cruise control main switch on (vehicle-to-vehicle distance control mode) and the approach warning buzzer malfunctions.
  1. Vehicle stability control system
  2. ECM

INSPECTION PROCEDURE

NOTICE:
This DTC code may be output under the vehicle stability control system at the same time. In that case, perform troubleshooting for the vehicle stability control system first.
1.PERFORM ACTIVE TEST USING INTELLIGENT TESTER (BUZZER)

  1. Using the intelligent tester, perform the Active Test (Click here).

    ABS/VSC/TRAC
    Tester Display
    		Test Part
    		Control Range
    		Diagnostic Note
    Buzzer
    		Skid control buzzer sounds
    		OFF or ON
    		-

    OK:
    Skid control buzzer sounds.


NG
GO TO VEHICLE STABILITY CONTROL SYSTEM (Skid Control Buzzer Circuit) (Click here)
OK


2.CHECK DTC (DYNAMIC RADAR CRUISE CONTROL SYSTEM)

  1. Using the intelligent tester, enter the following menus: Powertrain / Radar Cruise / Trouble Code.

  1. Clear the DTCs (Click here).

  1. Perform the following to make sure the DTC detection conditions are met.

    HINT:
    If the detection conditions are not met, the system cannot detect the malfunction.

    1. Drive the vehicle at a speed of 50 km/h (30 mph) or more.

    2. Turn the cruise control main switch on to set the vehicle-to-vehicle distance control mode to the standby state.

  1. Check for DTCs (Click here).

    OK:
    DTC P1575 is not output.
Result
Result
Proceed to
OK
A
NG (for 1UR-FE)
B
NG (for 3UR-FE)
C


B
REPLACE ECM (Click here)

C
REPLACE ECM (Click here)
A

USE SIMULATION METHOD TO CHECK (Click here)