Repair manual
Wiring diagrams
Honda Ridgeline I facelift Repair Manual
Step-by-step repair and maintenance instructions for the Honda Ridgeline I facelift (2009–2014): removal, installation, adjustment, diagnostics and parameter checks with illustrations.
- Muting Logic
- Anti-Theft Feature
- Pairing a Cell Phone
- GA-Net Bus Configuration
- Audio Glossary
- Audio Unit Connector for Inputs and Outputs
- XM Receiver Connector for Inputs and Outputs
- How to Obtain the Audio Unit Serial Number and Retrieving the Anti-theft Code with the iN
- Preparation
- Check the reception level
- Speaker Check Mode
- Error Codes
- Poor AM or FM radio reception or interference
- Audio unit power switch will not turn on (No information display and no sound)
- Audio unit power switch will not turn off
- No sound is heard from the speaker(s) (display is normal)
- Radio preset memory is lost
- Volume does not change
- Radio tuner does not change stations
- Audio unit disc indicator does not work
- Security indicator does not work properly
- Audio unit button illumination does not work
- Audio remote switch does not work properly (Except 1 CD type)
- Audio disc does not load
- Audio disc does not eject
- Unable to select audio disc changer
- Audio disc changer does not load all six discs
- Audio disc changer does not move between discs
- Audio disc does not play
- Audio disc skips
- Poor or no sound with audio disc changer (with navigation)
- Error code: XM NO SIGNAL or XM ANTENNA is displayed
- XM radio display is blank and no station information is displayed
- XM radio preset memory is lost
- Auxiliary input sound is low or cannot be heard
- Poor or no sound with XM radio (Audio unit does display XM channels)
- Left/Right Channel ID
- Frequency sweep
- Sound judging
- Engine Electrical (Special Tools)
- Battery
- Relays
- Connectors & Harnesses
- Under-Dash Fuse/relay Box
- Under-Hood Fuse/relay Box
- Body Electrical
- Relay and Control Unit Locations
- Fuse/relay Boxes
- Power Distribution (Fuse ID)
- Ground Distribution
- AC Power Outlet
- Accessory Power Sockets
- Oem Wiring Diagram General Information
- Oem Circuit Diagrams
- Oem-Fuse/relay Boxes
- Oem-Connector-To-Harness Locations
- Oem-Ground-To-Components Index
- Oem-Connector Index
- Battery Cable Reset
- Front Door Panel Removal/Installation
- Front Door Outer Handle Replacement
- Front Door Latch Replacement
- Front Door Glass and Regulator Replacement
- Front Door Glass Outer Molding Replacement
- Front Door Weatherstrip Replacement
- Front Door Side Sill Seal Replacement
- Rear Door Panel Removal/Installation
- Rear Door Outer Handle Replacement
- Rear Door Latch Replacement
- Rear Door Glass and Regulator Replacement
- Rear Door Glass Outer Molding Replacement
- Rear Door Weatherstrip Replacement
- Rear Door Side Sill Seal Replacement
- Engine Performance Diagnostic Routine Outline - General Information
- Engine Performance Safety Precautions
- Parasitic Load Explanation & Test Procedures - General Information
- Waveforms - Injector Pattern Tutorial - General Information
- Electrostatic Discharge Warning - General Information
- State Emission Standards - Diesel
- A/C System Inspection
- How to Use the Self-diagnostic Function without the HDS
- DTC Troubleshooting Index
- Symptom Troubleshooting Index
- Radiator and A/C Condenser Fan Low Speed Circuit Troubleshooting
- Radiator and A/C Condenser Fan Low Speed Circuit Troubleshooting (12 Model)
- A/C Condenser Fan High Speed Circuit Troubleshooting
- A/C Condenser Fan High Speed Circuit Troubleshooting (12 Model)
- Radiator and A/C Condenser Fan High Speed Circuit Troubleshooting
- A/C Compressor Clutch Circuit Troubleshooting
- A/C Pressure Switch Circuit Troubleshooting
- Air Mix Control Motor Test
- Mode Control Motor Test
- Recirculation Control Motor Test
- Performance Test
- Power Distribution
- Ground Distribution
- G1 and G2
- G101 (Partial)
- G201
- G202
- G301 and G302
- G403, G404, G405, G502, and G551
- G401 (Partial)
- G402 (Partial)
- G501 (Partial)
- G601
- G602
- DLC (Data Link Connector)
- Ignition System
- Starting System
- Charging System
- Fuel and Emissions
- VTEC System
- Cruise Control
- How the Circuit Works
- Power Supply
- VSA
- VTM-4 System
- A/T Controls
- Horns
- SRS
- Multiplex Integrated Control System
- B-CAN Network
- F-CAN Network
- HVAC
- USA: RTS, RTL; Canada: EX-L; Mexico; Latin America
- Blower Controls
- Air Delivery
- A/C Compressor Controls
- Evaporator Temperature Sensor
- A/C Pressure Switch
- Fans
- Extremely High Coolant Temperatures
- A/C ON
- Refrigerant at Low Pressure
- Refrigerant at High Pressure
- Heated Windshield Wiper Area Defogger
- Reminder Systems, Key Light Timer, and Low Oil Pressure Indicator
- Gauges and Indicators
- Engine Coolant Temperature Gauge
- Fuel Gauge and Low Fuel Indicator
- Speedometer
- Tachometer
- Safety Indicator
- TPMS (Tire Pressure Monitoring System)
- A/T Gear Position Indicator
- Wiper/Washer
- Mist
- Intermittent
- Low Speed
- High Speed
- Washer
- Exterior Lights
- How the Headlights Circuit Works
- High and Low Beams
- Flash-to-Pass
- Daytime Running Lights (DRL)
- Interior Lights
- Entry Light Control System
- Trailer Lighting Connector
- Power Windows
- Driver's Window
- Auto Up and Down
- All Passenger Windows
- Front Passenger's Window
- Left Rear Window
- Right Rear Window
- Moonroof
- How the Circuit Works (USA: RTL; Canada: EX-L)
- Keyless/Power Door Locks/Security System
- Security
- Immobilizer System
- Security System
- In-bed Trunk Lid Opener
- Interlock System
- Key Interlock
- Shift Position Interlock
- Power Seats
- Driver's Power Seat (USA: RTS, RTL; Canada: EX-L; Mexico; Latin America)
- Front Up-Down
- Slide
- Rear Up-down
- Recline
- Driver's Lumbar Support System (USA: RTS, RTL; Canada: EX-L; Mexico; Latin America)
- Raise Lumbar Support
- Lower Lumbar Support
- Power Mirrors
- Mirror Up
- Mirror Down
- Mirror Left
- Mirror Right
- Mirror Defoggers: (USA: RTL; Canada; Mexico; Latin America)
- Automatic Dimming Inside Mirror
- Electrical Compass
- Seat Heaters
- Audio System
- HFL System (HandsFreeLink)
- Accessory Power Sockets
- Accessory Power Sockets/Cigarette Lighter
- Cigarette Lighter
- Navigation System
- User Controls
- Navigation Function
- Route Guidance
- GPS Signal Reception
- GA-NET BUS
- Display-Clock (in Audio Unit)
- Climate Bus (UART)
- Display mode (Day-Night)
- Rearview Camera (Honda Accessory)
- Navigation DVD (White Labeled Disc)
- PC Slot
- HFL Integration
- HomeLink® Remote Control System
- AC Power Outlet
- Rear Entertainment System (DVD)
- Rearview Camera
- Back-up Sensor System
- DTC P050A: Cold Start Idle Air Control System Performance Problem
- DTC P050B: Cold Start Ignition Timing Control System Performance Problem
- DTC P060A: PCM (A/T System) Internal Control Module Malfunction
- DTC P062F: PCM Internal Control Module Keep Alive Memory (KAM) Error
- DTC P16BB: Alternator B Terminal Circuit Low Voltage
- DTC P16BC: Alternator FR Terminal Circuit/IGP Circuit Low Voltage
- DTC P2A00: Rear A/F Sensor (Bank 1, Sensor 1) Circuit Range/Performance Problem; DTC P2A03: Front A/F Sensor (Bank 2, Sensor 1) CircuitRange/Performance Problem
- F-CAN Circuit Troubleshooting
- DLC Circuit Troubleshooting
- Diagnostic Trouble Code (DTC)
- Self-diagnosis
- How to Check for Diagnostic Trouble Codes (DTCs)
- How to Troubleshoot Circuits at the VTM-4 Control Unit
- How to End a Troubleshooting Session (required after any troubleshooting)
- DTC Troubleshooting Index
- Symptom Troubleshooting Index
- DTC 21-1, 21-2, 22-1, 22-2: Front Wheel Speed Sensors
- DTC 23-1, 23-2, 24-1, 24-2: Rear Wheel Speed Sensors
- DTC 26-1: VSA Modulator-Control Unit or Wire Harness
- DTC 37-1, 38-1: Engine RPM Signal Circuit
- DTC 41-1,41-2: CAN Communication (PCM/VSA System)
- DTC 44-1: VTM-4 Relay
- DTC 51-1, 52-1, 53-1, 53-2, 54-1: Left Clutch Electromagnetic Coil
- DTC 53-2, 55-1, 56-1, 57-1, 58-1: Right Clutch Electromagnetic Coil
- DTC 59-1: Right/Left Clutch Electromagnetic Coil Power Supply
- DTC 73-1: MAP (Manifold Absolute Pressure) Sensor or PCM
- DTC 77-1: PCM
- DTC 78-1: VTM-4 Control Unit
- Backlash Inspection
- Front Seat Removal/Installation
- Front Seat-Back Cover/Pad Replacement
- Front Seat Cushion Cover/Pad Replacement
- Rear Seat Removal/Installation
- Rear Seat Armrest Replacement
- Rear Seat Armrest Beverage Holder Replacement
- Rear Seat Cushion Handle Replacement
- Rear Seat Cushion Pivot Cable Replacement
- Rear Seat-back Cover Replacement
- Rear Seat Cushion Cover Replacement
- General Precautions
- Airbag Handling and Storage
- SRS Unit, Front and Side Impact Sensors, Driver's Seat Position Sensor, and Front Passenger's Weight Sensors
- SRS Unit Connectors
- Water Proof Connectors for SRS System
- Lever-Locked Connector
- Disconnecting
- Connecting
- Spring-Loaded Lock Connector
- Back Probing Spring-loaded Lock Connectors
- Front Seats with Side Airbags
- Precautions
- How to Read DTCs
- How to Clear DTCs with the HDS
- How to Clear DTCs using the Manual Mode ('09 - 11 models)
- SRS Unit Update
- ODS Unit Initialization
- OPDS Sensor Initialization
- Front Passenger's Weight Sensor Initialization
- After Replacing Front Passenger's Seat Component(s)
- Pre-Operation Check Set-up
- Front Passenger's Weight Sensor Output Check After a Vehicle Collision
- Airbags
- Front Passenger's Weight Sensors
- Driver's Seat Position Sensor
- Seat Belt Tensioners
- Driver's and Front Passenger's Airbag(s)
- Side Airbag(s)
- Side Curtain Airbag(s)
- Self-Diagnostic System
- Circuit Diagram
- SRS indicator does not come on
- SRS indicator stays on, but no DTCs are stored, or cannot be read
- Side airbag cutoff indicator stays on
- Side airbag cutoff indicator does not come on
- Passenger's airbag cutoff indicator stays on or comes on suddenly
- Checking and Adjusting the Headliner/Pillar Trim Overlap
- Airbag and Tensioner Disposal
- Deploying Airbags in the Vehicle
- Deploying Components Out of the Vehicle
- Disposal of Damaged Components
- Deployment Tool Check
- Precautions for Electrical Inspections
- Opening the SRS Unit Shorting Connectors for Diagnosis
- DTC (Diagnostic Trouble Codes)
- Troubleshooting Intermittent Failures
- DTC Troubleshooting Index
- Symptom Troubleshooting Index
- DTC 11-1x (''x" can be 0 thru 9 or A thru F): Open in the Driver's Airbag First Inflator; DTC 11-2x (''x" can be 0 thru 9 or A thru F): Increased Resistance in the Driver's Airbag
- DTC 11-3x ("x" can be 0 thru 9 or A thru F): Short to Another Wire or Decreased Resistance in the Driver's Airbag First Inflator; DTC 11-6x ("x" can be 0 thru 9 or A thru F): Short
- DTC 11-8x ("x" can be 0 thru 9 or A thru F): Short to Power in Driver's Airbag First Inflator; DTC 11-Ax ("x" can be 0 thru 9 or A thru F): Short to Power in Driver's Airbag Second
- DTC 11-9x ("x" can be 0 thru 9 or A thru F): Short to Ground in the Driver's Airbag First Inflator; DTC 11-Bx ("x" can be 0 thru 9 or A thru F): Short to Ground in the Driver's Air
- DTC 12-1x (''x" can be 0 thru 9 or A thru F): Open in the Front Passenger's Airbag First Inflator; DTC 12-2x (''x" can be 0 thru 9 or A thru F): Increased Resistance in the Front P
- DTC 12-3x ("x" can be 0 thru 9 or A thru F): Short to Another Wire or Decreased Resistance in the Front Passenger's Airbag First Inflator; DTC 12-6x ("x" can be 0 thru 9 or A thru
- DTC 12-8x ("x" can be 0 thru 9 or A thru F): Short to Power in the Front Passenger's Airbag First Inflator; DTC 12-Ax ("x" can be 0 thru 9 or A thru F): Short to Power in the Front
- DTC 12-9x ("x" can be 0 thru 9 or A thru F): Short to Ground in the Front Passenger's Airbag First Inflator; DTC 12-Bx ("x" can be 0 thru 9 or A thru F): Short to Ground in the Fro
- DTC 21-1x (''x" can be 0 thru 9 or A thru F): Open in the Driver's Seat Belt Tensioner; DTC 21-2x (''x" can be 0 thru 9 or A thru F): Increased Resistance in the Driver's Seat Belt
- DTC 21-3x ("x" can be 0 thru 9 or A thru F): Short to Another Wire or Decreased Resistance in the Driver's Seat Belt Tensioner
- DTC 21-8x ("x" can be 0 thru 9 or A thru F): Short to Power in the Driver's Seat Belt Tensioner
- DTC 21-9x ("x" can be 0 thru 9 or A thru F): Short to Ground in the Driver's Seat Belt Tensioner
- DTC 22-1x (''x" can be 0 thru 9 or A thru F): Open in the Front Passenger's Seat Belt Tensioner; DTC 22-2x (''x" can be 0 thru 9 or A thru F): Increased Resistance in the Front Pas
- DTC 22-3x ("x" can be 0 thru 9 or A thru F): Short to Another Wire or Decreased Resistance in the Front Passenger's Seat Belt Tensioner
- DTC 22-8x ("x" can be 0 thru 9 or A thru F): Short to Power in the Front Passenger's Seat Belt Tensioner
- DTC 22-9x ("x" can be 0 thru 9 or A thru F): Short to Ground in the Front Passenger's Seat Belt Tensioner
- DTC 31-1x (''x" can be 0 thru 9 or A thru F): Open in the Driver's Side Airbag Inflator; DTC 31-2x (''x" can be 0 thru 9 or A thru F): Increased Resistance in the Driver's Side Air
- DTC 31-3x ("x" can be 0 thru 9 or A thru F): Short to Another Wire or Decreased Resistance in the Driver's Side Airbag Inflator
- DTC 31-8x ("x" can be 0 thru 9 or A thru F): Short to Power in the Driver's Side Airbag Inflator
- DTC 31-9x ("x" can be 0 thru 9 or A thru F): Short to Ground in the Driver's Side Airbag Inflator
- DTC 32-1x (''x" can be 0 thru 9 or A thru F): Open in the Front Passenger's Side Airbag Inflator; DTC 32-2x (''x" can be 0 thru 9 or A thru F): Increased Resistance in the Front Pa
- DTC 32-3x ("x" can be 0 thru 9 or A thru F): Short to Another Wire or Decreased Resistance in the Front Passenger's Side Airbag Inflator
- DTC 32-8x ("x" can be 0 thru 9 or A thru F): Short to Power in the Front Passenger's Side Airbag Inflator
- DTC 32-9x ("x" can be 0 thru 9 or A thru F): Short to Ground in the Front Passenger's Side Airbag Inflator
- DTC 33-1x (''x" can be 0 thru 9 or A thru F): Open in the Left Side Curtain Airbag Inflator; DTC 33-2x (''x" can be 0 thru 9 or A thru F): Increased Resistance in the Left Side Cur
- DTC 33-3x ("x" can be 0 thru 9 or A thru F): Short to Another Wire or Decreased Resistance in the Left Side Curtain Airbag Inflator
- DTC 33-8x ("x" can be 0 thru 9 or A thru F): Short to Power in the Left Side Curtain Airbag Inflator
- DTC 33-9x ("x" can be 0 thru 9 or A thru F): Short to Ground in the Left Side Curtain Airbag Inflator
- DTC 34-1x (''x" can be 0 thru 9 or A thru F): Open in the Right Side Curtain Airbag Inflator; DTC 34-2x (''x" can be 0 thru 9 or A thru F): Increased Resistance in the Right Side C
- DTC 34-3x ("x" can be 0 thru 9 or A thru F): Short to Another Wire or Decreased Resistance in the Right Side Curtain Airbag Inflator
- DTC 34-8x ("x" can be 0 thru 9 or A thru F): Short to Power in the Right Side Curtain Airbag Inflator
- DTC 34-9x ("x" can be 0 thru 9 or A thru F): Short to Ground in the Right Side Curtain Airbag Inflator
- DTC 41-1x ("x" can be 0 thru 9 or A thru F): No Signal from the Left Front Impact Sensor
- DTC 42-1x ("x" can be 0 thru 9 or A thru F): No Signal from the Right Front Impact Sensor
- DTC 41-2x, 41-8x, 41-9x, 41-Ax, 41-Bx (''x" can be 0 thru 9 or A thru F): Internal Failure of the Left Front Impact Sensor
- DTC 42-2x, 42-8x, 42-9x, 42-Ax, 42-Bx (''x" can be 0 thru 9 or A thru F): Internal Failure of the Right Front Impact Sensor
- DTC 43-1x ("x" can be 0 thru 9 or A thru F): No Signal from the Left Side Impact Sensor (first)
- DTC 43-1x (''x" can be 0 thru 9 or A thru F): No Signal From the Left Side Impact Sensor (first); DTC 45-1x (''x" can be 0 thru 9 or A thru F): No Signal From the Left Side Impact
- DTC 44-1x ("x" can be 0 thru 9 or A thru F): No Signal from the Right Side Impact Sensor (first)
- DTC 44-1x (''x" can be 0 thru 9 or A thru F): No Signal From the Right Side Impact Sensor (first); DTC 46-1x (''x" can be 0 thru 9 or A thru F): No Signal From the Right Side Impac
- DTC 43-2x, 43-8x, 43-9x, 43-Ax, 43-Bx (''x" can be 0 thru 9 or A thru F): Internal Failure of the Left Side Impact Sensor (first)
- DTC 44-2x, 44-8x, 44-9x, 44-Ax, 44-Bx (''x" can be 0 thru 9 or A thru F): Internal Failure of the Right Side Impact Sensor (first)
- DTC 45-1x ("x" can be 0 thru 9 or A thru F): No Signal From the Left Side Impact Sensor (second)
- DTC 46-1x ("x" can be 0 thru 9 or A thru F): No Signal From the Right Side Impact Sensor (second)
- DTC 45-2x, 45-8x, 45-9x, 45-Ax, 45-Bx ("x" can be 0 thru 9 or A thru F): Internal Failure of the Left Side Impact Sensor (second)
- DTC 46-2x, 46-8x, 46-9x, 46-Ax, 46-Bx ("x" can be 0 thru 9 or A thru F): Internal Failure of the Right Side Impact Sensor (second)
- DTC 51-xx, 52-xx, 53-xx, 54-xx, 55-xx, 56-xx, 57-xx, 58-xx ("x" can be 0 thru 9 or A thru F): Internal Failure of the SRS Unit
- DTC 53-FF: SRS Unit Programming Error
- DTC 56-21: Lost Communication With the PCM (PGM-FI system); DTC 56-22, 56-23: Undefined Data Received From the PCM (PGM-FI system)
- DTC 56-25: Lost Communication With the Gauge Control Module
- DTC 56-26, 56-27: Undefined Data Received From the Gauge Control Module
- DTC 61-1x ("x" can be 0 thru 9 or A thru F): Open in the Driver's Seat Belt Buckle Switch
- DTC 61-2x ("x" can be 0 thru 9 or A thru F): Short in the Driver's Seat Belt Buckle Switch
- DTC 62-1x ("x" can be 0 thru 9 or A thru F): Open in the Front Passenger's Seat Belt Buckle Switch
- DTC 62-2x ("x" can be 0 thru 9 or A thru F): Short in the Front Passenger's Seat Belt Buckle Switch
- DTC 71-1x ("x" can be 0 thru 9 or A thru F): Open in the Driver's Seat Position Sensor
- DTC 71-2x ("x" can be 0 thru 9 or A thru F): Short in the Driver's Seat Position Sensor
- DTC 81-4x, 81-5x ("x" can be 0 thru 9 or A thru F), 81-63, 81-64: Internal Failure of the ODS Unit
- DTC 81-61: No Signal From the ODS Unit; DTC 81-62: Incorrect Data From the ODS Unit
- DTC 81-79: Front Passenger's Weight Sensors Initial Check Failure
- DTC 82-1x ("x" can be 0 thru 9 or A thru F): No Signal From the Inner Side Front Passenger's Weight Sensor
- DTC 82-11: No Signal From the Inner Side Front Passenger's Weight Sensor
- DTC 82-12: No Signal From the Inner Side Front Passenger's Weight Sensor
- DTC 82-13: No Signal From the Inner Side Front Passenger's Weight Sensor
- DTC 83-2x ("x" can be 0 thru 9 or A thru F): No Signal From the Outer Side Front Passenger's Weight Sensor
- DTC 83-21: No Signal From the Outer Side Front Passenger's Weight Sensor
- DTC 83-22: No Signal From the Outer Side Front Passenger's Weight Sensor
- DTC 83-23: No Signal From the Outer Side Front Passenger's Weight Sensor
- DTC 85-4x, 85-5x ("x" can be 0 thru 9 or A thru F), 85-63, 85-64: Internal Failure of the ODS Unit
- DTC 85-61: No Signal From the ODS Unit; DTC 85-62: Incorrect Data From the ODS Unit
- DTC 85-71, 85-78: ODS Unit Not Initialized
- DTC 85-79: OPDS Sensor Initial Check Failure
- DTC 86-1x ("x" can be 0 thru 9 or A thru F): Faulty OPDS Seat-back Sensor; DTC 86-2x ("x" can be 0 thru 9 or A thru F): Faulty OPDS Seat Support Sensor
- DTC 92-1x ("x" can be 0 thru 9 or A thru F): Short to Power in the Passenger's Airbag Cutoff Indicator
- DTC 92-2x ("x" can be 0 thru 9 or A thru F): Open or Short to Ground in the Passenger's Airbag Cutoff Indicator
- DTC A1-1x ("x" can be 0 thru 9 or A thru F): Faulty Power Supply (VA Line)
- DTC A2-1x ("x" can be 0 thru 9 or A thru F): Faulty Power Supply (VB Line)
- DTC A3-1x ("x" can be 0 thru 9 or A thru F): SRS Unit Connector A Not Properly Installed
- DTC A4-1x ("x" can be 0 thru 9 or A thru F): SRS Unit Connector B Not Properly Installed
- DTC Fx-11 ("x" can be 0 thru 9 or A thru F): Airbags And/or Tensioners Deployment Recorded
- DTC Fx-xx ("x" can be 0 thru 9 or A thru F): Airbags and/or Tensioners Deployment Recorded
- DTC 41-xx, 42-xx, 43-xx (''x" can be 0 thru 9 or A thru F): Internal Failure of the ODS Unit
- DTC 11-1x (''x" can be 0 thru 9 or A thru F): No Signal From the Inner Side Front Passenger's Weight Sensor
- DTC 12-2x (''x" can be 0 thru 9 or A thru F): No Signal From the Inner Side Front Passenger's Weight Sensor
- DTC 13-3x (''x" can be 0 thru 9 or A thru F): No Signal From the Inner Side Front Passenger's Weight Sensor
- DTC 21-1x (''x" can be 0 thru 9 or A thru F): No Signal From the Outer Side Front Passenger's Weight Sensor
- DTC 22-2x (''x" can be 0 thru 9 or A thru F): No Signal From the Outer Side Front Passenger's Weight Sensor
- DTC 23-3x (''x" can be 0 thru 9 or A thru F): No Signal From the Outer Side Front Passenger's Weight Sensor
- Component Replacement/Inspection After Deployment