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22-8Relay and Control Unit Locations
Dashboard
GAUGE CONTROL
MODULE (TACH)
GAUGE CONTROL MODULE
(SPEEDO)
POWER WINDOW RELAY PGM-FI MAIN RELAY 2
(FUEL PUMP)
STARTER CUT RELAY
MICU
UNDER-DASH FUSE/
RELAY BOX
View of front side View of rear sideFRONT ACCESSORY POWER SOCKET RELAY
CONSOLE ACCESSORY POWER SOCKET RELAY
FOG LIGHT RELAY
(TYPE S and ’08 PREMIUMand ’09 models)
Wire colors: BLU, WHT, BLK, and PUR
Wirecolors:YEL,GRN,BLK,andPUR
Wire colors: PNK,
WHT, ORN, and WHT
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Special Tools Required
Removal
Installation
22-66Under-dash Fuse/Relay Box
Removal and Installation
A
Relay puller 07AAC-000A1A0
SRS components are located in this area. Review the
SRS component locations (see page 24-11), and
precautions and procedures (see page 24-13) before
doing repairs or serving.
1. Do the battery terminal disconnection procedure (see page 22-68).
2. Remove the driver’s dashboard lower cover (see page 20-102).
3. Disconnect the connectors from the fuse side of the under-dash fuse/relay box (A).
4. Remove the mounting bolt, and pull the fuse/relay box away from the body.
5. Disconnect the connectors from the back side of the under-dash fuse/relay box, then remove the under-
dash fuse/relay box.
6. Carefully remove the relays using the relay puller. NOTE: Do not use pliers. Pliers will damage the
relays, which could cause the engine to stall or not
start. 1. Install the relays and connect the connectors to the
under-dash fuse/relay box, then install the under-
dash fuse/relay box in the reverse order of removal.
2. Install the removed parts in the reverse order of removal.
3. Do the battery terminal reconnection procedure (see page 22-68).
4. Register the immobilizer system with the HDS (see page 22-329).
NOTE: The imoes unit is built into the MICU which
is part of the under-dash fuse/relay box. Because of
this construction, the imoes must be registered, or
the vehicle will not start.
5. Confirm that all systems work properly.
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22-73
Multiplex Integrated Control System
Component Location Index
GAUGE CONTROL MODULE (TACH)
IMMOBILIZER-KEYLESS CONTROL UNIT
(With built-in the receiver)
MICU
(Built into the under-dash fuse/relay box) CLIMATE CONTROL
UNIT
HANDSFREELINK
CONTROL UNIT
Input Test, page 22-271
Input Test, page 22-109 Replacement, page 21-75
Self-diagnostic Function, page 23-368
Input Test, page 23-388
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22-112Keyless/Power Door Locks/Security System
Component Location Index
NAVIGATION UNIT or
AUDIO UNIT
IMMOBILIZER-KEYLESS
CONTORL UNIT
(With built-in receiver)
SECURITY INDICATOR GAUGE CONTORL MODULE
(SPEEDO)
HEADLIGHT
HOOD SWITCH
MICU
(Built into the under-
dash fuse/relay box)
HORN
TRANSMITTER
LOCK BUTTON TRUNK BUTTON
UNLOCK BUTTON
IGNITION KEY PANIC BUTTONSymptom Troubleshooting,
page 22-126
Replacement, page 22-332
Replacement, page 22-174
Adjustment, page 22-173
Bulb Replacement, page 22-177
Test, page 22-141
Input Test, page 22-131
Test/Replacement, page 22-146
Test/Replacement, page 22-142
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22-145
Horns
Component Location Index
HORN SWITCH
CABLE REEL
HORN RELAY CIRCUIT
(Built into the MICU)
HORN
UNDER-DASH FUSE/RELAY BOX Test, page 22-147
Replacement, page 24-200
Test/Replacement, page 22-146
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22-182Turn Signal/Hazard Warning Lights
Component Location Index
HAZARD WARNING SWITCH
TURN SIGNAL INDICATORS
TURN SIGNAL SWITCH
(Built into the combination switch)
MICU
(Built into the under-dash fuse/relay box) Test/Replacement, page 22-192
Test/Replacement, page 22-166
Input Test, page 22-188
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22-193
Interior Lights
Component Location Index
TRUNK LIGHT
FRONT INDIVIDUAL MAP LIGHTS
AMBIENT LIGHT
INTERIOR LIGHT SWITCH*
TRUNK LID LATCH SWITCH
GLOVE BOX LIGHT
MICU
(Built into the under-
dash fuse/relay box) CEILING LIGHT
DRIVER’S DOOR
COURTESY LIGHT FRONT PASSENGER’S
DOOR COURTESY LIGHT
*1: With moonroof
*2: ’08-09 models
*3: TYPE S model FRONT PASSENGER’S FOOTWELL LIGHT*
DRIVER’S FOOTWELL
LIGHT* DRIVER’S VANITY MIRROR LIGHT* PASSENGER’S VANITY MIRROR LIGHT*
1
3
3 22
Test/Replacement,
page 22-197
Test/Replacement, page 22-196
Test/Replacement, page 22-198
Test/Replacement, page 22-200
Test, page 22-200
Test/Replacement, page 22-199
Input Test,
page 22-204 Test/Replacement, page 22-197
Replacement, page 22-198 Replacement, page 22-198
Test/Replacement, page 22-201
Test/Replacement, page 22-201
Test/Replacement, page 22-199 Test/Replacement, page 22-199
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22-202Entry Lights Control System
Component Location Index
CEILING LIGHT
FRONT INDIVIDUAL MAP LIGHTS
MICU
(Built into the under-
dash fuse/relay box) IGNITION KEY SWITCH
DRIVER’S DOOR SWITCH LEFT REAR DOOR SWITCH RIGHT REAR DOOR SWITCH
FRONT PASSENGER’S
DOOR SWITCH
DRIVER’S DOOR LOCK
KNOB SWITCH IGNITION KEY LIGHT
DRIVER’S DOOR
KEY CYLINDER SWITCH Test/Replacement,
page 22-197
Test/Replacement (With moonroof),
page 22-196
Input Test, page 22-204 Test, page 22-207
Test, page 22-138 Test, page 22-207
Test, page 22-140
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