Wiring For 90 Camry Battery Terminal

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Fig. 87: Checking Smoothly Turning Of Water Valve Damper Control Servomotor From Warm Side To Cool Side

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NG: Replace water valve servomotor. OK: Go to next step.

2. Check harness and connector between water valve servomotor and integration control and panel (See HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE ).

NG: Repair or replace harness or connector.

OK: Check and replace integration control and panel.

IG POWER SOURCE CIRCUIT

CIRCUIT DESCRIPTION

This is the power source for the integration control and panel and servomotors, etc. WIRING DIAGRAM

2004 ACCESSORIES & EQUIPMENT Air Conditioning System - Diagnostics - Sequoia

Toyota Camry Battery Wiring Diagrams
Fig. 88: Wiring Diagram - IG Power Source Circuit Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

INSPECTION PROCEDURE

1. Check voltage between terminals IG+ and GND of integration control and panel. PREPARATION:

a. Remove integration control and panel with connectors still connected (See REMOVAL ).

b. Turn ignition switch to ON.

CHECK:

Measure voltage between terminals IG+ and GND of integration control and panel. OK:

2004 ACCESSORIES & EQUIPMENT Air Conditioning System - Diagnostics - Sequoia

Fig. 89: Measuring Voltage Between Terminals IG+ & GND Of Integration Control & Panel Connector

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

OK: Proceed to next circuit inspection shown on problem symptoms table (See PROBLEM SYMPTOMS TABLE ).

NG: Go to next step.

2. Check continuity between terminal GND of integration control and panel and body ground. PREPARATION:

Turn ignition switch to LOCK. CHECK:

Measure resistance between terminal GND of A/C control assembly and body ground. OK:

Resistance: Below 1 ohm

2004 ACCESSORIES & EQUIPMENT Air Conditioning System - Diagnostics - Sequoia

Supra Inspect Iac Valve Resistance
Fig. 90: Measuring Resistance Between Terminal GND Of A/C Control Assy & Body Ground Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NG: Repair or replace harness or connector. OK: Go to next step. 3. Check GAUGE fuse.

PREPARATION:

Remove GAUGE fuse from instrument panel J/B.

CHECK:

Check continuity of GAUGE fuse. OK:

Continuity exists.

2004 ACCESSORIES & EQUIPMENT Air Conditioning System - Diagnostics - Sequoia

Toyota Tercel Fuse
Fig. 91: Removing GAUGE Fuse From Instrument Panel J/B & Check Continuity Of GAUGE Fuse Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

2004 ACCESSORIES & EQUIPMENT Air Conditioning System - Diagnostics - Sequoia

NG: Check for shot in all the harness and components connected to the GAUGE fuse (See HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE ).

OK: Check and repair harness and connector between integration control and panel and battery.

BACK-UP POWER SOURCE CIRCUIT

CIRCUIT DESCRIPTION

This is the back up power source for the integration control and panel. Power is supplied even when the ignition switch is off and is used for diagnostic trouble code memory, etc.

WIRING DIAGRAM

Camry 2007 Battery Wiring Diagram
Fig. 92: Wiring Diagram - Back Up Power Source Circuit Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

INSPECTION PROCEDURE

1. Check voltage between terminal B of integration control and panel and body ground. PREPARATION:

Remove the integration control and panel with connector still connected. CHECK:

2004 ACCESSORIES & EQUIPMENT Air Conditioning System - Diagnostics - Sequoia

Measure voltage between terminal B of integration control and panel and body ground. OK:

Fig. 93: Measuring Voltage Between Terminal B Of Integration Control & Panel & Body Ground Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

OK: Proceed to next circuit inspection shown on problem symptoms table (See PROBLEM SYMPTOMS TABLE ).

NG: Go to next step.

2. Check DOME fuse.

PREPARATION:

Remove DOME fuse from engine room J/B. CHECK:

Check continuity of DOME fuse. OK:

2004 ACCESSORIES & EQUIPMENT Air Conditioning System - Diagnostics - Sequoia

Continuity

2004 ACCESSORIES & EQUIPMENT Air Conditioning System - Diagnostics - Sequoia

Sienna 2004 Air Conditioner Fuse

2004 ACCESSORIES & EQUIPMENT Air Conditioning System - Diagnostics - Sequoia

Fig. 94: Checking Continuity Of Dome Fuse Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NG: Check for short in all the harness and components connected to the CIG fuse (See attached wiring diagram).

OK: Check and repair harness and connector between integration control and panel and battery.

ACC POWER SOURCE CIRCUIT CIRCUIT DESCRIPTION

This circuit supplies power to the integration control and panel. It supplies power to the illumination for the clock.

WIRING DIAGRAM

Camry Service Manual
Fig. 95: Wiring Diagram - ACC Power Source Circuit Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

INSPECTION PROCEDURE

1. Check voltage between terminals ACC and GND of integration control and panel. PREPARATION:

Remove integration control and panel with connectors still connected. CHECK:

a. Turn ignition switch to ACC.

b. Measure voltage between terminals ACC and GND of integration control and panel. OK:

String Dulcimer Chords

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