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Last Modified: 11-27-2007 1.6 C
Service Category: Engine/Hybrid System Section: Cruise Control
Model Year: 2008 Model: LX570 Doc ID: RM000003FEO000X
Title: CRUISE CONTROL: DYNAMIC RADAR CRUISE CONTROL SYSTEM: DESCRIPTION (2008 LX570)

DTC

P1575

Warning Buzzer Malfunction

DESCRIPTION

DTC Code

DTC Detection Condition

Trouble Area

P1575

The vehicle speed is 40 km/h (25 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.

PROCEDURE

1.

PERFORM ACTIVE TEST USING TECHSTREAM (BUZZER)

(a) Using the Techstream, perform the Active Test.

ABS/VSC/TRAC

Tester Display

Test Part

Control Range

Diagnostic Note

Buzzer

Skid control buzzer sounds

OFF or ON

-

OK:

Skid control buzzer sounds.

OK

2.

CHECK DTC (DYNAMIC RADAR CRUISE CONTROL SYSTEM)

(a) Using the Techstream, enter the following menus: Powertrain / Radar Cruise / Trouble Code.

(b) Clear the DTCs CRUISE CONTROL: DYNAMIC RADAR CRUISE CONTROL SYSTEM: DTC CHECK / CLEAR (2008 LX570) .

(c) 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 40 km/h (25 mph) or more.

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

(d) Check for DTCs CRUISE CONTROL: DYNAMIC RADAR CRUISE CONTROL SYSTEM: DTC CHECK / CLEAR (2008 LX570) .

OK:

DTC P1575 is not output.

OK