Toyota RAV4 manuals

Toyota Sienna Service Manual: 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 operation are transmitted between the A/C amplifier and rear A/C control assembly.

WIRING DIAGRAM

Rear Air Conditioning Control Panel Circuit

INSPECTION PROCEDURE

1 CHECK HARNESS AND CONNECTOR (REAR A/C CONTROL ASSEMBLY - BATTERY)

CHECK HARNESS AND CONNECTOR (REAR A/C CONTROL ASSEMBLY - BATTERY)

(a) Disconnect the connector from the rear A/C control assembly.

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

Standard voltage

2 CHECK HARNESS AND CONNECTOR (REAR A/C CONTROL ASSEMBLY - BODY GROUND)

CHECK HARNESS AND CONNECTOR (REAR A/C CONTROL ASSEMBLY - BODY GROUND)

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

Standard resistance

3 CHECK HARNESS AND CONNECTOR (REAR A/C CONTROL ASSEMBLY - A/C AMPLIFIER)

CHECK HARNESS AND CONNECTOR (REAR A/C CONTROL ASSEMBLY - A/C AMPLIFIER)

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

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

Standard resistance

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

Air Conditioning Compressor Magnetic Clutch Circuit
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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 INSPECTION PROCEDURE 1 INSPECT RELAY (RR A/C) ...

Other materials:

Adjustment
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Reassembly
1. INSTALL REAR DISC (a) Aligning the matchmarks, install the rear disc. HINT: Select the installation position where the disc has the minimum runout. 2. INSPECT DISC RUNOUT (a) Temporarily fasten the disc with the hub nuts. Torque: 103 N*m (1,050 kgf*cm, 76 ft.*lbf) (b) Using a di ...

Diagnosis Circuit
DESCRIPTION DTC output mode is set by connecting terminals TC and CG of the DLC3. DTCs are displayed by blinking the SRS warning light. HINT:  When each warning light stays blinking, a ground short in the wiring of terminal TC of the DLC3 or an internal ground short in each ECU is ...

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