Toyota RAV4 manuals

Toyota Sienna Service Manual: Park / Neutral Position Switch Circuit

DESCRIPTION

The clearance warning ECU receives the reverse or park position signal from the park / neutral position switch.

WIRING DIAGRAM

WIRING DIAGRAM

INSPECTION PROCEDURE

1 INSPECT CLEARANCE WARNING ECU

INSPECT CLEARANCE WARNING ECU

  1. Disconnect the C9 connector from the clearance warning ECU.
  2.  Measure the voltage according to the value(s) in the table below.

Standard voltage

2 CHECK HARNESS AND CONNECTOR

CHECK HARNESS AND CONNECTOR

  1. Disconnect the connector from the park / neutral position switch.
  2.  Measure the resistance according to the value(s) in the table below.

Standard resistance

Standard resistance

3 INSPECT PARK / NEUTRAL POSITION SWITCH

INSPECT PARK / NEUTRAL POSITION SWITCH

  1. Disconnect the park / neutral position switch connector P1.
  2.  Measure the resistance according to the value(s) in the table below.

Standard resistance

Standard resistance

REPAIR OR REPLACE HARNESS OR CONNECTOR

Adjustment
1. ADJUST BUZZER VOLUME  Turn the knob on the clearance warning ECU to adjust the volume. ...

Speed Signal Circuit
DESCRIPTION The clearance warning ECU receives the vehicle speed signal from the combination meter. HINT:  A voltage of 12 V or 5 V is output from each ECU and then input to the combin ...

Other materials:

ECM Power Source Circuit
DESCRIPTION When the ignition switch is turned to the ON position, the battery voltage is applied to terminal IGSW of the ECM. The ECM MREL output signal causes a current to flow to the coil, closing the contacts of the EFI relay and supplying power to terminal +B of the ECM. If the igniti ...

On-vehicle inspection
1. INSPECT SIDE AIRBAG SENSOR (VEHICLE NOT INVOLVED IN COLLISION)  Perform a diagnostic system check. 2. INSPECT SIDE AIRBAG SENSOR (VEHICLE INVOLVED IN COLLISION AND AIRBAG HAS NOT DEPLOYED)  Perform a diagnostic system check.  When the center pillar of the vehicle or ...

Definition of terms
Terms Definitions Monitor Description Description of what ECM monitors and how to detect malfunctions (monitoring purpose and details). Related DTCs A group of diagnostic trouble codes that are output by ECM based on the same malfunction detection lo ...

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