Toyota Venza manuals

Toyota Venza: Cruise Main Indicator Light Circuit

Toyota Venza Service Manual / Cruise Control / Cruise Control System / Cruise Main Indicator Light Circuit

DESCRIPTION

  • The ECM detects a cruise control main switch signal and sends it to the combination meter assembly through CAN. Then the CRUISE main indicator light comes on.
  • The CRUISE main indicator light circuit uses CAN for communication. If there is a malfunction in this circuit, check for DTCs in the CAN communication system before troubleshooting this circuit.

WIRING DIAGRAM


PROCEDURE

1.

PERFORM ACTIVE TEST USING TECHSTREAM

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Turn the Techstream on.

(d) Enter the following menus: Body / Combination Meter / Active Test.

(e) Check the CRUISE main indicator light by performing the Active Test.

Combination Meter

Tester Display

Test Part

Control Range

Diagnostic Note

Indicat. Lamp Cruise

CRUISE main indicator light

OFF or ON

Confirm that the vehicle is stopped with the engine idling

OK:

The CRUISE main indicator light blinks or goes off according to Techstream operation.


NG

REPLACE COMBINATION METER ASSEMBLY


OK

2.

READ VALUE USING TECHSTREAM

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Turn the Techstream on.

(d) Enter the following menus: Powertrain / Cruise Control / Data List.

(e) Check the Data List for proper functioning of the CRUISE main indicator light.

Cruise Control (ECM)

Tester Display

Measurement Item/Range

Normal Condition

Diagnostic Note

CCS Indicator M-CPU

CRUISE main indicator signal (Main CPU) / ON or OFF

ON: CRUISE main indicator light on

OFF: CRUISE main indicator light off

-

OK:

The display changes as shown above according to cruise control main switch operation.

Result

Proceed to

OK

A

NG (for 1AR-FE)

B

NG (for 2GR-FE)

C


A

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE


B

REPLACE ECM


C

REPLACE ECM

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