2006 HONDA Ridgeline

Honda Ridgeline RT 2006 - BUZZERS, RELAYS & TIMERS

Honda Ridgeline RT 2006 BUZZERS, RELAYS & TIMERS LOCATION

Component	Location
A/C Compressor Clutch Relay (6)	On under-hood fuse/relay box. See Fig. 2 .
A/C Condenser Fan Relay (3)	On auxiliary under-hood fuse/relay box. See Fig. 3 .
A/F Sensor Relay (21)	On under-dash fuse/relay box. See Fig. 1 .
Blower Motor Relay (5)	On under-hood fuse/relay box. See Fig. 2 .
Cargo Area Light Relay	Behind left side of dash. See Fig. 55 .
ETCS Control Relay (2)	On under-hood fuse/relay box. See Fig. 2 .
Fan Control Relay (2)	On auxiliary under-hood fuse/relay box. See Fig. 3 .
Fog Light Relay	Right front of engine compartment. See Fig. 141 .
Front Accessory Power Socket Relay	Behind left side of dash. See Fig. 55 .
Heated Windshield Wiper Area Relay (7)	On under-hood fuse/relay box. See Fig. 2 .
Ignition Coil Relay (24)	On under-dash fuse/relay box. See Fig. 1 .
Moonroof Close Relay	Rear of roof. See Fig. 123 .
Moonroof Open Relay	Rear of roof. See Fig. 123 .
PGM-FI Main Relay 1 (22)	On under-dash fuse/relay box. See Fig. 1 .
PGM-FI Main Relay 2 (25)	On under-dash fuse/relay box. See Fig. 1 .
Power Window Relay (23)	On under-dash fuse/relay box. See Fig. 1 .
Radiator Fan Relay (1)	On auxiliary under-hood fuse/relay box. See Fig. 3 .
Rear Accessory Power Socket Relay (20)	On under-dash fuse/relay box. See Fig. 1 .
Seat Heater Relay (1)	On under-hood fuse/relay box. See Fig. 2 .
Starter Cut Relay (19)	On under dash-fuse/relay box. See Fig. 1 .
Turn Signal/Hazard Relay (4)	On under-dash fuse/relay box. See Fig. 1 .
VTM-4 Relay	Behind left side of dash. See Fig. 55 .

Honda Ridgeline RT 2006 - CIRCUIT PROTECTION DEVICES

Honda Ridgeline RT 2006 CIRCUIT PROTECTION DEVICES LOCATION

Component	Location
A/C Diode Assembly	Behind right side of dash. See Fig. 77 .
Auxiliary Under-Hood Fuse Box	Left rear of engine compartment. See Fig. 44 .
Auxiliary Under-Hood Relay Box	Right Rear Of Engine Compartment. See Fig. 7 .
Back-Up Sensor In-Line Fuse	Behind left kick panel. See Fig. 137 .
ELD Unit (16)	On under-hood fuse/relay box. See Fig. 2 .
Under-Dash Fuse/Relay Box	At left kick panel. See Fig. 52 .
Under-Hood Fuse/Relay Box	At right rear of engine compartment. See Fig. 4 .

Honda Ridgeline RT 2006 - CONTROL UNITS

Honda Ridgeline RT 2006 CONTROL UNITS LOCATION

Component	Location
Back-Up Sensor Control Unit	Behind left side of rear seat. See Fig. 139 .
Immobilizer Control Unit Receiver	In steering column, on ignition key cylinder. See Fig. 66 .
Navigation Unit	Under driver's seat. See Fig. 94 .
OPDS Unit	In right front seat back. See Fig. 104 .
Powertrain Control (PCM) Module	Right Rear Of Engine Compartment. See Fig. 8 .
SRS Unit	Behind lower center of dash. See Fig. 68 .
TPMS Receiver Unit	Under left side of dash. See Fig. 58 .
VSA Modulator Control Unit	Left side of engine compartment. See Fig. 46 .
VTM-4 Control Unit	Behind right kick panel. See Fig. 83 .

Honda Ridgeline RT 2006 - MOTORS

Honda Ridgeline RT 2006 MOTORS LOCATION

Component	Location
A/C Condenser Fan Motor Connector	Front middle of engine compartment. See Fig. 21 .
Back Window Motor	Behind right side of rear seat. See Fig. 110 .
Blower Motor	Under right side of dash. See Fig. 81 .
Driver's Air Mix Control Motor	Under middle of dash. See Fig. 70 .
Driver's Lumbar Support Motor	In driver's seat back. See Fig. 102 .
Driver's Power Seat Front Up-Down Motor	Under driver's seat. See Fig. 101 .
Driver's Power Seat Rear Up-Down Motor	In driver's seat. See Fig. 99 .
Driver's Power Seat Recline Motor	In driver's seat back. See Fig. 100 .
Driver's Power Seat Slide Motor	Under driver's seat. See Fig. 98 .
Driver's Power Window Motor	In driver's door. See Fig. 87 .
Front Passenger's Air Mix Control Motor	Under right side of dash. See Fig. 80 .
Front Passenger's Power Window Motor	In front passenger's door. See Fig. 91 .
Fuel Tank Unit	Under rear seat, below floor access panel. See Fig. 112 .
Left/Right Rear Power Window Motor	In left or right rear door. See Fig. 93 .
Mode Control Motor	Behind glove box. See Fig. 79 .
Moonroof Motor	Rear of roof. See Fig. 124 .
Radiator Fan Motor Connector	Front middle of engine compartment. See Fig. 21 .
Recirculation Control Motor	Behind glove box. See Fig. 79 .
Starter	Left side of engine compartment. See Fig. 31 .
Windshield Washer Motor	Behind right side of front bumper, on washer reservoir. See Fig. 17 .
Windshield Wiper Motor	Under left side of cowl cover. See Fig. 48 .

Honda Ridgeline RT 2006 - SENDING UNITS & SENSORS

Honda Ridgeline RT 2006 SENDING UNITS & SENSORS LOCATION

Component	Location
A/F Sensor (B1, S1) Connector (Rear)	Left side of engine compartment. See Fig. 47 .
A/F Sensor (B2, S1) Connector (Front)	Left side of engine compartment. See Fig. 37 .
APP Sensor	Right rear of engine compartment. See Fig. 4 .
ATF Temperature Sensor	On transmission housing. See Fig. 42 .
CKP Sensors (A & B)	At lower front of engine. See Fig. 15 .
CMP Sensor	On top front of engine. See Fig. 12 .
Differential Oil Temperature Sensor	On differential. See Fig. 131 .
ECT Sensor 1	At rear of engine, on top of water passage. See Fig. 34 .
ECT Sensor 2	At rear of engine. See Fig. 35 .
EGR Valve & EGR Valve Position Sensor	At rear of engine. See Fig. 33 .
Evaporator Temperature Sensor Connector	Under middle of dash. See Fig. 70 .
FTP Sensor	Under left rear of vehicle. See Fig. 132 .
IAT Sensor	On intake manifold chamber. See Fig. 34 .
In-Car Temperature Sensor	On lower left side of dash. See Fig. 51 .
Input Shaft (Mainshaft) Speed Sensor	On transmission housing. See Fig. 43 .
Knock Sensor	Left side of engine block. See Fig. 24 .
Left Front Impact Sensor	Behind left side of front bumper. See Fig. 29 .
MAP Sensor	On top of throttle body assembly. See Fig. 35 .
Output Shaft (Countershaft) Speed Sensor	On transmission housing. See Fig. 43 .
Outside Air Temperature Sensor	Behind front grille. See Fig. 22 .
Right Front Impact Sensor	Right front of vehicle. See Fig. 19 .
Roll Rate Sensor	On right side of floor. See Fig. 117 .
Secondary (HO2S) (B1, S2) Sensor Connector (Rear)	Left side of engine compartment. See Fig. 47 .
Secondary (HO2S) (B2, S2) Sensor Connector (Front)	Left side of engine compartment. See Fig. 37 .
Side Impact Sensor (1st) (Left/Right)	At base or left/right "B" pillar. See Fig. 114 .
Side Impact Sensor (2nd) (Left/Right)	Behind left/right side of rear seat. See Fig. 108 .
Steering Angle Sensor	In steering column. See Fig. 64 .
TP Sensor/Throttle Actuator	On side of throttle body assembly. See Fig. 36 .
Wheel Speed Sensor Connector (Left Front)	Left side of engine compartment. See Fig. 45 .
Wheel Speed Sensor Connector (Left Rear)	Under rear of vehicle. See Fig. 134 .
Wheel Speed Sensor Connector (Right Front)	Right side of engine compartment. See Fig. 9 .
Wheel Speed Sensor Connector (Right Rear)	Under rear of vehicle. See Fig. 134 .
Yaw Rate-Lateral Acceleration Sensor	Under center console. See Fig. 74 .

Honda Ridgeline RT 2006 - SOLENOIDS & SOLENOID VALVES

Honda Ridgeline RT 2006 SOLENOIDS & SOLENOID VALVES LOCATION

Component	Location
A/T Clutch Pressure Control Solenoid Valve A	On transmission housing. See Fig. 39 .
A/T Clutch Pressure Control Solenoid Valve B	On transmission housing. See Fig. 39 .
A/T Clutch Pressure Control Solenoid Valve C	On transmission housing. See Fig. 40 .
Driver's Door Lock Actuator	At rear of driver's door. See Fig. 85 .
EVAP Canister Purge Valve	At rear of engine. See Fig. 35 .
EVAP Canister Vent Shut Valve	Under left rear of vehicle. See Fig. 132 .
Front Passenger's Door Lock Actuator	At rear of front passenger's door. See Fig. 90 .
IMT Valve	Upper front of engine. See Fig. 11 .
In-Bed Trunk Lid Actuator/Latch Switch	In-bed trunk lid. See Fig. 128 .
Injector No. 1	Middle of engine compartment. See Fig. 24 .
Injector No. 2	Middle of engine compartment. See Fig. 24 .
Injector No. 3	Middle of engine compartment. See Fig. 24 .
Injector No. 4	Middle of engine compartment. See Fig. 25 .
Injector No. 5	Middle of engine compartment. See Fig. 25 .
Injector No. 6	Middle of engine compartment. See Fig. 25 .
Rear Door Lock Actuator (Left Or Right)	In rear of left or right rear door. See Fig. 92 .
Starter Solenoid	Left side of engine compartment. See Fig. 31 .
VTEC Solenoid Valve Connector	At front of engine, on oil pump housing extension. See Fig. 14 .

Honda Ridgeline RT 2006 - SWITCHES

Honda Ridgeline RT 2006 SWITCHES LOCATION

Component	Location
A/C Pressure Switch	At right side of engine compartment. See Fig. 9 .
Back Window Position Switch	At bottom of rear window. See Fig. 106 .
Brake Fluid Level Switch Connector A	Next to brake fluid reservoir. See Fig. 44 .
Brake Fluid Level Switch Connector B	Next to brake fluid reservoir. See Fig. 44 .
Brake Pedal Position Switch	At top of brake pedal arm. See Fig. 59 .
Driver's Door Key Cylinder Switch Connector	In driver's door. See Fig. 86 .
Driver's Door Lock Knob Switch	At rear of driver's door. See Fig. 85 .
Driver's Door Switch	On left "B" pillar. See Fig. 115 .
Driver Seat Belt Switch Connector	Under driver's seat. See Fig. 98 .
Front Passenger's Door Lock Knob Switch	At rear of driver's door. See Fig. 90 .
Front Passenger's Door Switch	On right "B" pillar. See Fig. 115 .
Front Passenger Seat Belt Switch Connector	Under front passenger's seat. See Fig. 103 .
Horn Switch	In steering column. See Fig. 63 .
Ignition Key Switch/Key Light	Near ignition key cylinder. See Fig. 66 .
In-Bed Trunk Lid Handle Switch	In-bed trunk lid. See Fig. 128 .
In-Bed Trunk Lid Key Cylinder Switch	In-bed trunk lid. See Fig. 128 .
Left Rear Door Switch	On left "C" pillar. See Fig. 116 .
Moonroof Limit Switch Connector	Rear of roof. See Fig. 123 .
Oil Pressure Switch	On lower right front of engine. See Fig. 15 .
Parking Brake Switch	At top of parking brake pedal. See Fig. 56 .
PSP Switch	On power steering pressure line. See Fig. 13 .
Rear Door Lock Knob Switch (Left/Right)	In rear of left or right rear door. See Fig. 92 .
Right Rear Door Switch	On right "C" pillar. See Fig. 116 .
Security Hood Switch Connector (RTS, RT-L & Canada EX-L)	At center front of engine compartment. See Fig. 23 .
Tailgate Switch Connector	Right rear of cargo area. See Fig. 127 .
Transmission Range Switch	On transmission housing. See Fig. 41 .
VTEC Oil Pressure Switch	On lower front of engine. See Fig. 15 .
Washer Fluid Level Switch	On washer fluid reservoir. See Fig. 17 .
3rd Clutch Transmission Fluid Pressure Switch	On transmission housing. See Fig. 42 .
4th Clutch Transmission Fluid Pressure Switch	On transmission housing. See Fig. 40 .

Honda Ridgeline RT 2006 - MISCELLANEOUS

Honda Ridgeline RT 2006 MISCELLANEOUS LOCATION

Component	Location
Antenna Module Unit	Rear of roof. See Fig. 120 .
Blower Power Transistor	Under right side of dash. See Fig. 82 .
Brake Light Noise Condenser	Under left side of dash. See Fig. 57 .
Data Link (DLC) Connector	Lower left side of dash. See Fig. 50 .
Driver's Airbag First & Second Inflators Connector	On bottom of steering column. See Fig. 63 .
Driver's Seat Belt Tensioner	Base of left "B" pillar. See Fig. 114 .
Driver's Side Airbag Inflator Connector	Under driver's seat. See Fig. 95 .
Front Passenger's Airbag First & Second Inflators Connector	Behind right side of dash. See Fig. 78 .
Front Passenger's Seat Belt Tensioner	Base of right "B" pillar. See Fig. 114 .
Front Passenger's Side Airbag Inflator Connector	Under front passenger's seat. See Fig. 105 .
Horn (High)	Behind front bumper. See Fig. 18 .
Horn (Low)	Behind front bumper. See Fig. 30 .
Ignition Coil No. 1	Middle of engine compartment. See Fig. 28 .
Ignition Coil No. 2	Middle of engine compartment. See Fig. 28 .
Ignition Coil No. 3	Middle of engine compartment. See Fig. 28 .
Ignition Coil No. 4	Middle of engine compartment. See Fig. 27 .
Ignition Coil No. 5	Middle of engine compartment. See Fig. 27 .
Ignition Coil No. 6	Middle of engine compartment. See Fig. 27 .
Junction Connector C103	Middle of engine compartment. See Fig. 26 .
Junction Connector C104	Middle of engine compartment. See Fig. 26 .
Junction Connector C105	Right Rear Of Engine Compartment. See Fig. 6 .
Junction Connector C420	Behind center of dash. See Fig. 71 .
Junction Connector C421	Behind center of dash. See Fig. 71 .
Navigation Service Check Connector	Under driver's seat. See Fig. 96 .
Side Curtain Airbag Inflator Connector (Left)	Left rear of roof. See Fig. 121 .
Side Curtain Airbag Inflator Connector (Right)	Right rear of roof. See Fig. 122 .
TPMS Initiator (Left Front) (Right Front Similar)	In left front wheelwell. See Fig. 129 .
TPMS Initiator (Left Rear) (Right Rear Similar)	Front of left rear wheelwell. See Fig. 130 .
T2	Left side of engine compartment. See Fig. 31 .
T4	Right front of engine compartment. See Fig. 136 .
T5	Left side of engine compartment. See Fig. 43 .
T12	Left side of engine compartment. See Fig. 39 .
XM Antenna	Rear of roof. See Fig. 119 .
XM Antenna Connector	Rear of roof. See Fig. 119 .
XM Receiver	Behind right side of rear seat. See Fig. 111 .

Honda Ridgeline RT 2006 - CONNECTORS

Honda Ridgeline RT 2006 CONNECTORS LOCATION

Component	Location
C101 (Black, 23 Pin)	Right rear of engine compartment. See Fig. 6 .
C102 (Gray, 2 Pin)	Right rear of engine compartment. See Fig. 6 .
C153 (Black, 5 Pin)	On transmission housing. See Fig. 38 .
C161 (Black, 1 Pin)	On front of engine. See Fig. 11 .
C171 (Black, 6 Pin)	Lower right side of engine compartment. See Fig. 14 .
C201 (gray, 10 Pin)	Behind right kick panel. See Fig. 84 .
C202 (Yellow, 4 Pin)	Behind glove box. See Fig. 76 .
C203 (Gray, 12 Pin)	Under left side of dash. See Fig. 62 .
C204 (White, 34 Pin)	Under left side of dash. See Fig. 61 .
C205 (White, 14 Pin)	Under left side of dash. See Fig. 61 .
C206 (Brown, 3 Pin)	At left kick panel. See Fig. 52 .
C210 (Gray, 1 Pin)	Right front of engine compartment. See Fig. 20 .
C299 (Brown, 2 Pin)	Right front of engine compartment. See Fig. 142 .
C301 (yellow, 4 Pin)	Under left side of dash. See Fig. 61 .
C302 (White, 23 Pin)	Under left side of dash. See Fig. 61 .
C401 (White, 23 Pin)	At left kick panel. See Fig. 53 .
C402 (Light Blue, 24 Pin)	At left kick panel. See Fig. 53 .
C403 (Gray, 16 Pin)	At left kick panel. See Fig. 53 .
C404 (White, 23 Pin)	Behind glove box. See Fig. 76 .
C405 (Navigation) (White, 20 Pin)	Under middle of dash. See Fig. 67 .
C406 (White, 6 Pin)	Under middle of dash. See Fig. 67 .
C407 (Gray, 22 Pin)	Under middle of dash. See Fig. 69 .
C408 (White, 23 Pin)	Behind glove box. See Fig. 76 .
C410 (Gray, 2 Pin)	Behind center of dash. See Fig. 72 .
C451 (White, 20 Pin)	At front of driver's door. See Fig. 89 .
C452 (Blue, 17 Pin)	At front of driver's door. See Fig. 89 .
C453 (Gray, 4 Pin)	In driver's door. See Fig. 88 .
C498 (Gray, 4 Pin)	Under left side of dash. See Fig. 56 .
C499 (Gray, 10 Pin)	Under left side of dash. See Fig. 60 .
C501 (Yellow, 4 Pin)	At left kick panel. See Fig. 54 .
C502 (Gray, 4 Pin)	At left kick panel. See Fig. 54 .
C503 (RTL, Canada EX-L) (Gray, 12 Pin)	Under driver's seat. See Fig. 95 .
C503 (RTS) (Gray, 8 Pin)	Under driver's seat. See Fig. 95 .
C504 (Gray, 10 Pin)	Under front passenger's seat. See Fig. 105 .
C505 (Gray, 6 Pin)	In rear of center console. See Fig. 73 .
C506 (White, 12 Pin)	In left "B" pillar. See Fig. 113 .
C507 (White, 12 Pin)	In right "B" pillar. See Fig. 113 .
C508 (Yellow, 4 Pin)	Behind right side of rear seat. See Fig. 110 .
C509 (White, 23 Pin)	Behind left side of rear seat. See Fig. 109 .
C510 (Light Blue, 16 Pin)	Behind left side of rear seat. See Fig. 109 .
C511 (White, 2 Pin)	In rear of center console. See Fig. 73 .
C512 (Gray, 2 Pin)	Behind glove box. See Fig. 76 .
C599 (Gray, 6 Pin)	In steering column. See Fig. 65 .
C601 (Gray, 8 Pin)	Right side of cargo area. See Fig. 126 .
C609 (Gray, 2 Pin)	Under rear of vehicle. See Fig. 133 .
C610 (Gray, 2 Pin)	Under rear of vehicle. See Fig. 133 .
C629 (Gray, 10 Pin)	Under left rear of vehicle. See Fig. 135 .
C639 (Gray, 4 Pin)	Front middle of roof. See Fig. 118 .
C801 (Gray, 4 Pin)	Under front passenger's seat. See Fig. 103 .
C851 (Blue, 2 Pin)	Under driver's seat. See Fig. 98 .
C852 (Gray, 2 Pin)	Under driver's seat. See Fig. 97 .

Honda Ridgeline RT 2006 - GROUNDS

Honda Ridgeline RT 2006 GROUNDS LOCATION

Component	Location
G20	Right side of engine compartment. See Fig. 140 .
G101	At rear of engine. See Fig. 32 .
G102	At right front of engine, near power steering pump. See Fig. 10 .
G201	Behind right headlight. See Fig. 16 .
G202	Right rear of engine compartment. See Fig. 5 .
G302	Behind left side of front bumper. See Fig. 30 .
G401	Behind upper left end of dash. See Fig. 49 .
G402	At right side of dash. See Fig. 75 .
G403	At left end of dash. See Fig. 49 .
G404	Behind glove box. See Fig. 78 .
G405	Under middle of dash. See Fig. 68 .
G420	Behind left kick panel. See Fig. 138 .
G501	Under center console. See Fig. 74 .
G502	Behind rear seat. See Fig. 107 .
G551	Rear of roof. See Fig. 121 .
G601	Left side of cargo area. See Fig. 125 .
G602	Right side of cargo area. See Fig. 126 .