Inspection Procedure

WARNING: This page is about a different car, the 2007 Lexus RX 350. However, it is still accessible from the selected car via links, so may be relevant.

PERFORM ACTIVE TEST USING INTELLIGENT TESTER

Connect the intelligent tester to the DLC3.
Turn the ignition switch on and turn the intelligent tester main switch on.

Check the CRUISE main indicator light by performing the ACTIVE TEST.

Combination meter:

COMBINATION METER REFERENCE TABLE

Item	Test Details	Diagnostic Note
CRUISE INDIC	Turns CRUISE main indicator light ON/OFF	-

OK:

Indicator light comes on/goes off.

NG: REPLACE COMBINATION METER ASSEMBLY

OK: Go to Next Step

READ VALUE ON INTELLIGENT TESTER

Connect the intelligent tester to the DLC3.
Turn the ignition switch on and turn the intelligent tester main switch on.

Check the DATA LIST for proper functioning of the CRUISE main indicator light.

ECM (Cruise control):

NORMAL CONDITION TABLE

Item	Measurement Item/Display (Range)	Normal Condition	Diagnostic Note
CCS INDICATOR M	Cruise indicator signal (Main CPU)/ON or OFF	ON: "CRUISE" on OFF: "CRUISE" off	-

OK:

When the cruise control main switch is operated, the display changes as shown above.

NG: REPLACE ECM

OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE