Toyota RAV4 manuals

Toyota Sienna Service Manual: Engine Hood Courtesy Switch Circuit

DESCRIPTION

The engine hood courtesy switch is built in the engine hood lock assembly. The switch turns on when the engine hood is opened and turns off when the engine hood is closed.

WIRING DIAGRAM

WIRING DIAGRAM

INSPECTION PROCEDURE

1 INSPECT ENGINE HOOD COURTESY SWITCH

INSPECT ENGINE HOOD COURTESY SWITCH

  1. Remove the courtesy switch.
  2.  Disconnect the E3 switch connector.
  3.  Measure the resistance according to the value(s) in the table below.

Standard resistance

Standard resistance

2 CHECK HARNESS AND CONNECTOR (MULTIPLEX NETWORK BODY ECU - ENGINE HOOD COURTESY SWITCH)

CHECK HARNESS AND CONNECTOR (MULTIPLEX NETWORK BODY ECU - ENGINE HOOD COURTESY SWITCH)

  1. Disconnect the B8 ECU connector.
  2. Measure the resistance according to the value(s) in the table below.

Standard resistance

Standard resistance

3 CHECK HARNESS AND CONNECTOR (ENGINE HOOD COURTESY SWITCH - BODY GROUND)

 CHECK HARNESS AND CONNECTOR (ENGINE HOOD COURTESY SWITCH - BODY GROUND)

  1. Measure the resistance according to the value(s) in the table below.

Standard resistance

Standard resistance

REPLACE MULTIPLEX NETWORK BODY ECU

Terminals of ECU
1. CHECK INSTRUMENT PANEL J/B ASSEMBLY (MULTIPLEX NETWORK BODY ECU)  Disconnect the B6, B7 and B9 ECU connectors. Disconnect the 1A, 1C, 1L and 1K J/B connectors.  Measure t ...

Security Horn Circuit
DESCRIPTION During the alarm sounding state, the relay in the ECU turns on and off in a cycle of approximately 0.2 seconds, causing the security horn to sound. WIRING DIAGRAM INSPECTION PROC ...

Other materials:

Starter Relay Circuit High
DTC P0617 Starter Relay Circuit High MONITOR DESCRIPTION While the engine is being cranked, the positive battery voltage is applied to terminal STA of the ECM. If the ECM detects the Starter Control (STA) signal while the vehicle is being driven, it determines that there is a malfunction i ...

Removal and installation of fuel control parts
(a) PLACE FOR REMOVING AND INSTALLING FUEL SYSTEM PARTS (1) Work in a location with good air ventilation that does not have welders, grinders, drills, electric motors, stoves, or any other ignition sources. (2) Never work in a pit or near a pit as vaporized fuel will collect in those places. ...

Basic inspection
When a malfunction is not confirmed by the DTC check, troubleshooting should be carried out in all circuits considered to be possible causes of the problem. In many cases, by carrying out the basic engine check shown in the following flowchart, the location of the problem can be found quickly a ...

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