Toyota Venza manuals

Toyota Venza: Power Source Mode does not Change to ON (IG)

DESCRIPTION

When the engine switch is pushed with the electrical key in the cabin, the power management control ECU receives signals to change the power source mode.

HINT:

To allow use of the Techstream to inspect the push-button start function when the power source mode is off, repeat opening and closing any of the doors. Opening and closing a door establishes communication between the Techstream and the power management control ECU. (Opening and closing a door can also be simulated by operating a door courtesy light switch.)

WIRING DIAGRAM

Refer to DTC B2271 (See page ).


PROCEDURE

1.

CHECK HARNESS AND CONNECTOR (BATTERY - POWER MANAGEMENT CONTROL ECU)



NG

REPAIR OR REPLACE HARNESS OR CONNECTOR (BATTERY - POWER MANAGEMENT CONTROL ECU)


OK

2.

CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - BODY GROUND)



NG

REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER MANAGEMENT CONTROL ECU - BODY GROUND)


OK

3.

INSPECT IG1 RELAY



NG

REPLACE IG1 RELAY


OK

4.

CHECK HARNESS AND CONNECTOR



NG

REPAIR OR REPLACE HARNESS OR CONNECTOR


OK

5.

CHECK HARNESS AND CONNECTOR



NG

REPAIR OR REPLACE HARNESS OR CONNECTOR


OK

6.

INSPECT MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY)



NG

REPLACE MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY)


OK

7.

INSPECT IG2 RELAY



NG

REPLACE IG2 RELAY


OK

8.

CHECK HARNESS AND CONNECTOR



NG

REPAIR OR REPLACE HARNESS OR CONNECTOR


OK

9.

CHECK HARNESS AND CONNECTOR (IG2 RELAY - BODY GROUND)



OK

REPLACE POWER MANAGEMENT CONTROL ECU


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

Power Source Mode does not Change to ON (IG and ACC)
DESCRIPTION When the engine switch is pushed with the electrical key in the cabin, the power management control ECU receives signals to change the power source mode. HINT: To allow use of the Tec ...

Power Source Mode does not Change to ON (ACC)
DESCRIPTION When the engine switch is pushed with the electrical key in the cabin, the power management control ECU receives signals to change the power source mode. HINT: To allow use of the Tec ...

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