Toyota RAV4 manuals

Toyota Sienna Service Manual: Rear Air Conditioning Relay Circuit

DESCRIPTION

The RR A/C relay is switched on by signals from the A/C amplifier. It supplies power to the rear blower motor.

WIRING DIAGRAM

Rear Air Conditioning Relay Circuit

INSPECTION PROCEDURE

1 INSPECT RELAY (RR A/C)

INSPECT RELAY (RR A/C)

(a) Remove the RR A/C relay from the No. 3 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

Rear Air Conditioning Control Panel Circuit
DESCRIPTION This is the rear A/C system control signal circuit as well as the power supply circuit of the rear A/C control assembly. Pulse signals regarding rear A/C control panel switch operat ...

Rear Blower Motor Circuit
DESCRIPTION Power to the rear blower motor is supplied from the battery via the RR A/C relay. The rear blower motor speed level varies between 0 and 31 based on the voltage difference measured ...

Other materials:

Power outlets
The power outlet can be used for the following components: 12 V: Accessories that run on less than 10 A 120 V AC: Accessories that use less than 100 W 12 V Open the cover. Center panel type A Center panel type B Luggage compartment 120 V AC (if equipped) Open the ...

Initialization
1. RESET  When the battery is reconnected: The back door is locked and therefore cannot be opened. Therefore, it is necessary to unlock the back door using the door control switch or transmitter switch.  Reset the power back door system: The power back door ECU records the ...

Installation
1. INSTALL ECM  Install the ECM with the 2 nuts. Torque: 5.5 N*m (56 kgf*cm, 49 in.*lbf)  Connect the 5 ECM connectors. 2. INSTALL ECM (with 10 speakers system)  Install the ECM and stereo components amplifier with the 4 nuts. Torque: 5.5 N*m (56 kgf*cm, 49 ...

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