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HOMESERVICE MANUALSHONDA2009CR-V EX, 2.4 RE3REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 75 (NAVIGATION SYSTEM)SYSTEM DESCRIPTIONAUDIO-NAVIGATION UNIT INPUTS AND OUTPUTS
2009 Honda CR-V EX, 2.4 RE3
Audio-Navigation Unit Inputs and Outputs
2009 Honda CR-V EX, 2.4 RE3SECTION Audio-Navigation Unit Inputs and Outputs
WARNING: This page is about a different car, the 2011 Honda CR-V and 2010 Honda CR-V. However, it is still accessible from the selected car via links, so may be relevant.
Audio-Navigation Unit Connector A (24P)
AUDIO-NAVIGATION UNIT CONNECTOR A (24P) TERMINALS REFERENCE CHART
| Terminal Number | Wire Color | Terminal Name | Description | Voltage (about) | Symptom |
|---|---|---|---|---|---|
| 1 | RED | ILL-BULB | Ground for illumination light | With full dash lights brightness, 0 V | If open: When brightness = Auto, night mode for the display is inoperative when lights on. If short to ground: No change to display. |
| 12 | BLK | RADIO GND (Ground) | Ground for audio-navigation unit | 0 V | If open: No change to display. If short to ground: No change to display. |
| 13 | GRY | ILL+ (Illumination positive) | Parking light on signal from dash and console lights, under-dash fuse/relay box | Light on = battery voltage, Lights off = 0 V | If open: When brightness = Auto, night mode for the display is inoperative when lights on. If short to ground: Blows fuse No. 14 (7.5 A) in under-dash fuse/relay box. |
| 15 | BLU | VSP (Vehicle speed pulse) | Vehicle speed pulse signal from PCM | Pulses 0-5 V: Average 2.5 V, when moving | If open: No vehicle speed pulses. Diagnostic screen Car Status, VSP Navi = 0. If short to ground: No vehicle speed pulses. Diagnostic screen Car Status, VSP Navi = 0. |
| 24 | LT GRN | + B BACK UP (+ B power source) | Continuous power source | Battery voltage | If open: Screen completely off (no backlight visible). If short to ground: Blows fuse No. 17 (15 A) in the under-hood fuse/relay box. |
Audio-Navigation Unit Connector B (24P)
AUDIO-NAVIGATION UNIT CONNECTOR B (24P) TERMINALS REFERENCE CHART
| Terminal Number | Wire Color | Terminal Name | Description | Voltage (about) | Symptom | ||
|---|---|---|---|---|---|---|---|
| 10 | GRY(1) | HFL COMM SH (HFL communication shield) | Shield for terminal No. 11, 12, 23, 24 | - | - | ||
| 11 | ORN | HFL COMM 2 (HFL communication 2) | Communication signal for HFL | - | HFL icon in System Links changes between red and green | ||
| 12 | YEL | HFL COMM 4 (HFL communication 4) | Communication signal for HFL | - | Solid red HFL icon in System Links | ||
| 23 | BLU | HFL COMM 1 (HFL communication 1) | Communication signal for HFL | - | HFL icon in System Links changes between red and green | ||
| 24 | PUR | HFL COMM 3 (HFL communication 3) | Communication signal for HFL | - | Solid red HFL icon in System Links | ||
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Audio-Navigation Unit Connector C (8P)
AUDIO-NAVIGATION UNIT CONNECTOR C (8P) TERMINALS REFERENCE CHART
| Terminal Number | Wire Color | Terminal Name | Description | Voltage (about) | Symptom |
|---|---|---|---|---|---|
| 1 | ORN | + B BACK UP (+ B power source) | Continuous power source | Battery voltage | If open: Display picture goes out (display back light still on).
NOTE:
System will reboot to enter code screen. If short to ground: Blows fuse No. 23 (10 A) in the under-hood fuse/relay box. |
| 4 | BLK | NAVI GND (Ground) | Ground for audio-navigation unit | 0 V | If open: No effect on system. If short to ground: No effect on system. |
| 5 | BRN | BACK LT-(Back-up light or reverse signal) | Reverse signal of select lever from Multiplex integrated control unit | In reverse, battery voltage: Otherwise 0 V | If open: Navigation never sees the reverse signal and rearview camera does not come on when driving in reverse. Diagnostic screen Car Status, Back = 0. If short to ground: Blows fuse No. 23 (10 A) in the under-hood fuse/relay box. |
Audio-Navigation Unit Connector D (12P)
AUDIO-NAVIGATION UNIT CONNECTOR D (12P) TERMINALS REFERENCE CHART
| Terminal Number | Wire Color | Terminal Name | Description | Voltage (about) | Symptom | ||
|---|---|---|---|---|---|---|---|
| 1 | GRN | NAVI GUIDE (Steering wheel switches) | Steering wheel switch output | No button pressed 2 5V Talk button pressed 2.2 V Back button pressed 1.5 V | If open: Steering wheel navigation TALK, and navigation BACK buttons do not work. If short to ground: Steering wheel navigation TALK, and navigation BACK buttons do not work. |
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| 5 | YEL | AC-SI (Air conditioner serial in) | Communication signal for climate control unit | 0-battery voltage pulses | If open/short: HVAC will not respond to navigation commands. | ||
| 6 | RED | AC-SO (Air conditioner serial out) | Communication signal for climate control unit | 0-battery voltage pulses | If open/short: HVAC will not respond to navigation commands. | ||
| 7 | RED | HFL-NAVI MIC SIG-(HFL, navigation mic signal negative) | Ground for microphone signal | 0 V | If open: No microphone signal shown in diagnostics: Functional Setup Mic Level. If short to ground: No effect on voice recognition. |
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| 8 | GRN | HFL-NAVI MIC SIG + (HFL, navigation mic signal positive) | Microphone output signal positive | 4-5 V (with navigation TALK button pressed) | If open: No microphone signal shown in diagnostic screens: Functional Setup Mic Level. If short to ground: No microphone signal shown in diagnostic screens: Functional Setup Mic Level. |
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| 9 | GRY(1) | HFL-NAVI MIC SH (shield microphone) | Shield for terminal No. 7, 8 | 0 V | If open: No effect on voice recognition. If short to ground: No effect on voice recognition. |
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| 12 | BLU | AC-CLK (Air conditioner clock) | Check signal for climate control unit | 0-battery voltage pulses | If open/short: HVAC will not respond to navigation commands. | ||
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Audio-Navigation Unit Connector H (2P)
AUDIO-NAVIGATION UNIT CONNECTOR H (2P) TERMINALS REFERENCE CHART
| Terminal Number | Wire Color | Terminal Name | Description | Voltage (about) | Symptom |
|---|---|---|---|---|---|
| 1 | - | GPS ANT | GPS signal (5 V in, GPS signal out) | 5V | If open: GPS icon on screen is white, system links screen ANT shows NG. If short to ground GPS icon on screen is white, system links screen ANT shows NG. |
| 2 | - | GPS GND | Shield for terminal No. 1 | 0 V | If open. GPS icon on screen is white, system links screen ANT shows NG If short to ground No effect on system. |
Audio-Navigation Unit Connector F (7P)
AUDIO-NAVIGATION UNIT CONNECTOR F (7P) TERMINALS REFERENCE CHART
| Terminal Number | Wire Color | Terminal Name | Description | Voltage (about) | Symptom | ||
|---|---|---|---|---|---|---|---|
| 1 | GRN | VCC (VCC supply) | Power source for rearview camera | 8V | If open: No rearview camera image. If short to ground: When put into reverse, the navigation screen goes black (backlight still operative) |
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| 2 | WHT | GND (Ground) | Ground for rearview camera | 0 V | If open: No change to rearview camera image. If short to ground. No change to rearview camera image. |
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| 4 | RED | CAMERA V GND (Ground camera) | Ground for camera signal | 0 V | If open: No change to rearview camera image. If short to ground: No change to rearview camera image. |
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| 5 | BLK | CAMERA V (Video camera) | Video signal for rearview camera | 0.3 V AC | If open. No change to rearview camera image. If short to ground. No change to rearview camera image. |
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| 6 | GRY(1) | CAMERA SH (Shield camera) | Shield for terminals No. 1 to No. 5 | 0 V | If open: No change to rearview camera image. If short to ground: No change to rearview camera image. |
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| 7 | BRN | CAMERA ADPT (Adaptive camera) | Control signal for rearview camera | 0 V | If open: No change to rearview camera image. If short to ground No change to rearview camera image. |
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RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
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