Toyota RAV4 manuals

Toyota Sienna Service Manual: ACC Power Source Circuit

DESCRIPTION

This circuit supplies power to the A/C amplifier and the illumination for the clock.

WIRING DIAGRAM

ACC Power Source Circuit

INSPECTION PROCEDURE

1 INSPECT FUSE (ECU ACC)

(a) Remove the ECU ACC fuse from the engine room relay block.

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

Standard resistance

2 CHECK HARNESS AND CONNECTOR (A/C AMPLIFIER - BATTERY)

CHECK HARNESS AND CONNECTOR (A/C AMPLIFIER - BATTERY)

(a) Disconnect the connector from the A/C amplifier.

(b) Measure the voltage according to the value(s) in the table below.

Standard voltage

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

IG Power Source Circuit
DESCRIPTION The main power source is supplied to the A/C amplifier when the ignition switch is turned to the ON position. The power source is used for operating the A/C amplifier and servo moto ...

Back-up Power Source Circuit
DESCRIPTION This is the back-up power source for the A/C amplifier. Power is supplied even when the ignition switch is off and is used for diagnostic trouble code memory, etc. WIRING DIAGRAM ...

Other materials:

Installation
1. INSTALL SHOCK ABSORBER ASSEMBLY REAR LH (a) Install the rear spring bumper No.1 LH to the shock absorber assembly LH. (b) Support the rear axle beam assembly with a jack. (c) Install the rear shock absorber assembly rear LH, cushion retainer and nut to the rear axle beam. (d) ...

Front Occupant Classification Sensor RH Circuit Malfunction
DTC B1781 Front Occupant Classification Sensor RH Circuit Malfunction DESCRIPTION The front occupant classification sensor RH circuit consists of the occupant classification ECU and the front occupant classification sensor RH. DTC B1781 is recorded when a malfunction is detected in the fron ...

Installation
1. INSTALL TIRE PRESSURE WARNING ECU (a) Connect the connector to the tire pressure warning ECU. (b) Install the tire pressure warning ECU with the screw. 2. INSTALL INSTRUMENT PANEL SAFETY PAD SUBASSEMBLY HINT: Refer to the instructions for INSTALLATION of the instrument panel safety ...

В© 2011-2024 Copyright www.tsienna.net