Toyota RAV4 manuals

Toyota Sienna Service Manual: 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

Back-up Power Source Circuit

INSPECTION PROCEDURE

1 INSPECT FUSE (ECU-B)

(a) Remove the ECU-B fuse from the engine room junction 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

ACC Power Source Circuit
DESCRIPTION This circuit supplies power to the A/C amplifier and the illumination for the clock. WIRING DIAGRAM INSPECTION PROCEDURE 1 INSPECT FUSE (ECU ACC) (a) Remove the ECU ACC fuse fr ...

Air conditioning system (for manual air conditioning system)
...

Other materials:

Lock Switch Circuit
DESCRIPTION Each of the left and right seats has lock switches that detect the lock condition of the seat legs to the floor when the seat is in the original or folded-down state. If any of the lock switches detect an unlock condition, the 3rd SEAT indicator on the combination meter will come ...

Installation
1. INSTALL TRANSAXLE HOUSING OIL SEAL (a) Using SST and a hammer, install a new oil seal. SST 09316-60011 (09316-00011) Oil seal installation depth: -0.5 to 0.5 mm (-0.020 to 0.020 in.) (b) Coat the lip of the oil seal with MP grease. 2. INSTALL DIFFERENTIAL SIDE BEARING RETAINER OIL SEA ...

Precaution
1. HANDLING PRECAUTION FOR CRUISE CONTROL SYSTEM  Turn the cruise control main switch off when not using the cruise control system.  Be careful as the vehicle speed increases when driving downhill with the cruise control system on.  The + (ACCEL)/RES (RESUME) operation ch ...

В© 2011-2026 Copyright www.tsienna.net