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:

System normal condition check
1. CHECK NORMAL CONDITION  If the symptom is applicable to any of the following, it is intended behavior, and not a malfunction. Symptom Answer A longer route than expected is chosen. Depending on the road conditions, the radio and navigation assembly m ...

Tire pressure warning system
Your vehicle is equipped with a tire pressure warning system that uses tire pressure warning valves and transmitters to detect low tire inflation pressure before serious problems arise. Vehicles with compact spare tire: The compact spare tire is not equipped with the tire pressure warning valve ...

Reassembly
1. INSTALL DIFFERENTIAL CASE SUB-ASSEMBLY NO.2 (a) Coat the front differential side gear thrust washer No.1, front differential planetary ring gear, front differential pinion No.2, front differential pinion thrust washer No.2, front differential pinion shaft holder, front differential pinio ...

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