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Home >> Lexus >> 2009 >> SC 430 V8-4.3L (3UZ-FE) >> Repair and Diagnosis >> Cruise Control >> Testing and Inspection >> Component Tests and General Diagnostics >> Cruise Main Indicator Light Circuit
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Cruise Main Indicator Light Circuit








CRUISE CONTROL: CRUISE CONTROL SYSTEM: Cruise Main Indicator Light Circuit

Cruise Main Indicator Light Circuit

DESCRIPTION

The ECM detects a cruise control main switch signal and sends it to the combination meter through multiplex communication system (BEAN). Then the CRUISE main indicator light comes on.

INSPECTION PROCEDURE

PROCEDURE

1. PERFORM ACTIVE TEST USING TECHSTREAM (CRUISE INDICATOR LIGHT)
(a) Connect the Techstream to the DLC3.
(b) Check the CRUISE main indicator light by using Active Test.

Combination Meter





OK:
Indicator light illuminates/turns off.
NG -- GO TO METER / GAUGE SYSTEM
OK -- Continue to next step.
2. READ VALUE USING TECHSTREAM (CRUISE INDICATOR LIGHT)
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch ON and the Techstream on.
(c) Select the item below in the Data List and read the display on the Techstream.

Cruise Control





OK:
When cruise control main switch operation is performed, the standard values will be above.
NG -- REPLACE ECM
OK -- END
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