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

Toyota Venza Service Manual / Theft Deterrent / Keyless Entry / Smart Key System(for Start Function) / 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)

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

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

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

3.	INSPECT IG1 RELAY

REPLACE IG1 RELAY

4.	CHECK HARNESS AND CONNECTOR

REPAIR OR REPLACE HARNESS OR CONNECTOR

5.	CHECK HARNESS AND CONNECTOR

REPAIR OR REPLACE HARNESS OR CONNECTOR

6.	INSPECT MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY)

REPLACE MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY)

7.	INSPECT IG2 RELAY

REPLACE IG2 RELAY

8.	CHECK HARNESS AND CONNECTOR

REPAIR OR REPLACE HARNESS OR CONNECTOR

9.	CHECK HARNESS AND CONNECTOR (IG2 RELAY - BODY GROUND)

REPLACE POWER MANAGEMENT CONTROL ECU

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 ...

Other materials about Toyota Venza:

HL AutoLeveling ECU Failure (B2420)
DESCRIPTION When the headlight leveling ECU assembly detects a malfunction in itself, this DTC is stored. DTC No. DTC Detecting Condition Trouble Area B2420 Malfunction of headlight leveling ECU ...

Horn System
Precaution PRECAUTION NOTICE: When disconnecting the cable from the negative (-) battery terminal, initialize the following system after the cable is reconnected. System Name See Procedure Back Door Closer System ...

Lost Communication with Front Satellite Sensor Bus (B161A/8A)
DESCRIPTION The front collision sensor circuit (front airbag sensor RH circuit and front airbag sensor LH circuit) is composed of the center airbag sensor assembly, front airbag sensor RH and front airbag sensor LH. The front airbag sensor RH or front ai ...