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FOREWORD
This wiring diagram manual has been prepared to provide
information on the electrical system of the 2005 CAMRY.
Applicable models: MCV30, 31 Series
ACV30 Series
For service specifications and repair procedures of the above
models other than those listed in this manual, refer to the
following manuals;
Manual Name Pub. No.
2005 CAMRY Repair Manual RM1121U
2005 TOYOTA New Car Features NCF275U
All information in this manual is based on the latest product
information at the time of publi
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2005 CAMRY ELECTRICAL WIRING DIAGRAM Section Code Page INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . A . . . . 2 HOW TO USE THIS MANUAL . . . . . . . . . . . . . . B . . . . 3 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . C . . . . 12 ABBREVIATIONS . . . . . . . . . . . . . . . . . . . . . . . . . D . . . . 17 GLOSSARY OF TERMS AND SYMBOLS . . . . E . . . . 18 RELAY LOCATIONS . . . . . . . . . . . . . . . . . . . . . . . F . . . . 20 ELECTRICAL WIRING ROUTING . . .
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A INTRODUCTION This manual consists of the following 13 sections: No. Section Description INDEX Index of the contents of this manual. A A INTRODUCTION Brief explanation of each section. HOW TO USE THIS B Instructions on how to use this manual. MANUAL TROUBLE– C Describes the basic inspection procedures for electrical circuits. SHOOTING D ABBREVIATIONS Defines the abbreviations used in this manual. GLOSSARY OF TERMS AND E Defines the symbols and functions of major parts. SYMBOLS Shows position o
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HOW TO USE THIS MANUAL B This manual provides information on the electrical circuits installed on vehicles by dividing them into a circuit for each system. The actual wiring of each system circuit is shown from the point where the power source is received from the battery as far as each ground point. (All circuit diagrams are shown with the switches in the OFF position.) When troubleshooting any problem, first understand the operation of the circuit where the problem was detected (see System Ci
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B HOW TO USE THIS MANUAL [A] * The system shown here is an EXAMPLE ONLY. It is different to the actual circuit shown in the SYSTEM CIRCUITS SECTION. Stop Light From Power Source System (See Page 66) 15A 7.5A STOP GAUGE 4 RL 2 IB 1 3 IB [B] 1 IB [C] [G] 2 IB 2 4 S 6 Stop Light SW C 7 14 IE1 [E] Combination 1 Meter [D] 13 GW ABS ECU I 5 [F] L 4 7 8 Light Failure Sensor 4 2111 [H] 1 GR BV1 B18 [ I ] [J] (Shielded) 4 3 2 H17 High Mounted [K] Stop Light 1 3 6 1 WB BV1 B18 BO BL [L] [M] 50 4 2005 CA
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B [A] : System Title [H] : Indicates the wiring color. Wire colors are indicated by an alphabetical code. [B] : Indicates a Relay Block. No shading is used and only the Relay Block No. is shown to distinguish it B = Black W = White BR = Brown from the J/B L = Blue V = Violet SB = Sky Blue Example: Indicates Relay Block No.1 R = Red G = Green LG = Light Green [C] : ( ) is used to indicate different wiring and P = Pink Y = Yellow GR = Gray connector, etc. when the vehicle model, engine
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B HOW TO USE THIS MANUAL [N] System Outline Current is applied at all times through the STOP fuse to TERMINAL 2 of the stop light SW. When the ignition SW is turned on, current flows from the GAUGE fuse to TERMINAL 8 of the light failure sensor, and also flows through the rear lights warning light to TERMINAL 4 of the light failure sensor. Stop Light Disconnection Warning When the ignition SW is turned on and the brake pedal is pressed (Stop light SW on), if the stop light circuit is open, the
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B [N] : Explains the system outline. [O] : Indicates values or explains the function for reference during troubleshooting. [P] : Indicates the reference page showing the position on the vehicle of the parts in the system circuit. Example : Part ”L4” (Light Failure Sensor) is on page 36 of the manual. * The letter in the code is from the first letter of the part, and the number indicates its order in parts starting with that letter. Example : L 4 Parts is 4th in order Light Failure Sensor [Q]
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B HOW TO USE THIS MANUAL The ground points circuit diagram shows the connections from all major parts to the respective ground points. When troubleshooting a faulty ground point, checking the system circuits which use a common ground may help you identify EA IB IC the problem ground quickly. The relationship between ground points ( , and shown below) can also be checked this way. I GROUND POINT W–B W–B A W–B FAN MAIN Relay 5 Cigarette Lighter A/C Control Assembly W–B W–B A W–B FAN MAIN Relay
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B The ”Current Flow Chart” section, describes which parts each power source (fuses, fusible links, and circuit breakers) transmits current to. In the Power Source circuit diagram, the conditions when battery power is supplied to each system are explained. Since all System Circuit diagrams start from the power source, the power source system must be fully understood. J POWER SOURCE (Current Flow Chart) The chart below shows the route by which current flows from the battery to each electrical sou
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B HOW TO USE THIS MANUAL K CONNECTOR LIST [A] I14 I15 I16 J1 J2 Dark Gray Gray Black A A AB B DD 12 12 12 A AA A AA BCC CDD 67 8 [B] J3 J4 K1 K2 L1 Dark Gray A A A AB B DD 1 A AA A A 12 12 AA B CC CDD L2 L3 L4 M1 M2 M3 [C] Gray Black 12 3 45 12 1 1 6 7 8 9 101112 3456 78 1 2 2 1 3 4 2 [D] M4 N1 N2 O1 O2 Gray Gray Black Dark Gray 1 23 4 1 12 3 12 56 1 7 8910 [A] : Indicates connector to be connected to a part. (The numeral indicates the pin No.) [B] : Junction Connector Indicates a connector wh
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B L PART NUMBER OF CONNECTORS Code Part Name Part Number Code Part Name Part Number A 1 A/C Ambient Temp. Sensor 90980–11070 D 4 Diode (Courtesy) 90980–11608 A 2 A/C Condenser Fan Motor 90980–11237 D 5 Diode (Interior Light) 90980–10962 A 3 A/C Condenser Fan Relay 90980–10940 D 6 Diode (Moon Roof) 90980–11608 A 4 A/C Condenser Fan Resistor 90980–10928 D 7 Door Lock Control Relay 90980–10848 A 5 A/C Magnetic Clutch 90980–11271 D 8 Door Lock Control SW LH 90980–11148 A 6 A/T Oil Temp. Sensor 9098
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C TROUBLESHOOTING VOLTAGE CHECK To Ignition SW IG Terminal (a) Establish conditions in which voltage is present at the check point. Example: [A] – Ignition SW on Fuse [B] – Ignition SW and SW 1 on [C] – Ignition SW, SW 1 and Relay on (SW 2 off) [A] (b) Using a voltmeter, connect the negative lead to a good ground point or negative battery terminal, and the positive lead to the SW 1 Voltmeter connector or component terminal. This check can be done with a test light instead of a voltmeter. [B] Re
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C FINDING A SHORT CIRCUIT To Ignition SW IG Terminal (a) Remove the blown fuse and disconnect all loads of the fuse. (b) Connect a test light in place of the fuse. (c) Establish conditions in which the test light comes on. Test Light Fuse Case Example: [A] – Ignition SW on [B] – Ignition SW and SW 1 on Short [A] [C] – Ignition SW, SW 1 and Relay on (Connect the Relay) and SW 2 off (or Disconnect SW 2) (d) Disconnect and reconnect the connectors while watching the SW 1 test light. The short lies
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C TROUBLESHOOTING HOW TO REPLACE TERMINAL Reference: (with terminal retainer or secondary locking device) 1. PREPARE THE SPECIAL TOOL 10 3 1 HINT: To remove the terminal from the connector, please construct and use the special tool or like object shown on the left. 2. DISCONNECT CONNECTOR 0.2 1 (mm) 3. DISENGAGE THE SECONDARY LOCKING DEVICE OR Example: Up Tool (Case 1) TERMINAL RETAINER. (a) Locking device must be disengaged before the terminal locking clip can be released and the terminal remo
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C Tool Tab Tab [B] For Waterproof Type Connector Example: Terminal (Case 1) Tool Retainer HINT: Terminal retainer color is different according to connector body. Example: Terminal Retainer : Connector Body Black or White : Gray Black or White : Dark Gray Gray or White : Black Tool Access Hole ( Mark) [Male] [Female] ”Case 1” Type where terminal retainer is pulled up to the temporary lock position (Pull Type). Insert the special tool into the terminal retainer access hole (Mark) and pull t
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C TROUBLESHOOTING Push the terminal retainer down to the temporary lock position. Retainer at Full Lock Position Retainer at Temporary Lock Position [Male] [Female] (c) Release the locking lug from terminal and pull the terminal out Locking Lug from rear. Tool 4. INSTALL TERMINAL TO CONNECTOR (a) Insert the terminal. HINT: 1. Make sure the terminal is positioned correctly. 2. Insert the terminal until the locking lug locks firmly. 3. Insert the terminal with terminal retainer in the temporary l
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ABBREVIATIONS D ABBREVIATIONS The following abbreviations are used in this manual. A/C = Air Conditioning A/T = Automatic Transaxle ABS = Anti–Lock Brake System ACIS = Acoustic Control Induction System ACM = Active Control Engine Mount AICV = Air Intake Control Valve EC = Electrochromic ECU = Electronic Control Unit ESA = Electronic Spark Advance EVAP = Evaporative Emission FL = Fusible Link J/B = Junction Block LH = Left–Hand M/T = Manual Transaxle O/D = Overdrive R/B = Relay Block RH = Right–
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E GLOSSARY OF TERMS AND SYMBOLS GROUND BATTERY The point at which wiring attaches to Stores chemical energy and converts it into electrical energy. the Body, thereby providing a return path for an electrical circuit; without a Provides DC current for the auto’s ground, current cannot flow. various electrical circuits. CAPACITOR (Condenser) HEADLIGHTS A small holding unit for temporary Current flow causes a headlight 1. SINGLE storage of electrical voltage. filament to heat up and emit light. A
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E SPEAKER RELAY Basically, an electrically operated An electromechanical device which 1. NORMALLY creates sound waves from current switch which may be normally flow. CLOSED closed (1) or open (2). Current flow through a small coil creates a magnetic field which either opens or closes an attached switch. SWITCH, MANUAL 2. NORMALLY Opens and closes OPEN circuits, thereby iit th b 1. NORMALLY stopping (1) or OPEN allowing (2) current flow. RELAY, DOUBLE THROW A relay which passes curren
