Dtc P1575 Warning Buzzer Malfunction

Land Cruiser URJ200 URJ202 GRJ200 VDJ200 - CRUISE CONTROL

DESCRIPTION

INSPECTION PROCEDURE

PERFORM ACTIVE TEST USING INTELLIGENT TESTER (BUZZER)

CHECK DTC (DYNAMIC RADAR CRUISE CONTROL SYSTEM)

DTC P1575 Warning Buzzer Malfunction

DESCRIPTION

DTC CodeDTC Detection ConditionTrouble Area
P1575The 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.
Vehicle stability control system
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)

Using the intelligent tester, perform the Active Test ().

ABS/VSC/TRAC
Tester DisplayTest PartControl RangeDiagnostic Note
Buzzer Skid control buzzer soundsOFF or ON-
  • OK:
  • Skid control buzzer sounds.
NG
GO TO VEHICLE STABILITY CONTROL SYSTEM (Skid Control Buzzer Circuit) ()
OK
2.CHECK DTC (DYNAMIC RADAR CRUISE CONTROL SYSTEM)

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

Clear the DTCs ().

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.

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

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

Check for DTCs ().

  • OK:
  • DTC P1575 is not output.
Result
ResultProceed to
OKA
NG (for 1UR-FE)B
NG (for 3UR-FE)C
B
REPLACE ECM ()
C
REPLACE ECM ()
A
USE SIMULATION METHOD TO CHECK ()