Audio-Navigation Unit Connector A (24P)
| Cavity | Wire Color | Terminal Name | Description | Voltage (about) | Symptom | ||||
|---|---|---|---|---|---|---|---|---|---|
| A3 | LT BLU | K-LINE | Detects scan tool signal (serial data) | -- | -- | ||||
| A4 | LT GRIST | SCTY | Security signal from MICU | -- | If open: The security system sets, and does not trip when navigation display unit is removed. If short to ground: The security system sets, and does not trip when navigation display unit is removed. | ||||
| RED(2) | |||||||||
| A5 | BRN | REMOTE GND | Audio remote switch ground | 0 V | If open: Audio remote switch does not work If short to ground: No effect on audio remote control |
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| A6 | YEL | RR PRE + | Outputs sound signal for right rear speaker(s) | -- | If open/short to ground: No sound is heard from right rear speaker(s) | ||||
| A7 | BRN | RR PRE- | Outputs sound signal for right rear speaker(s) | -- | If open/short to ground: No sound is heard from right rear speaker(s) | ||||
| A10 | PNK | RL PRE- | Outputs sound signal for left rear speaker(s) | -- | If open/short to ground: No sound is heard from left rear speaker(s) | ||||
| A11 | LT BLU | RL PRE + | Outputs sound signal for left rear speaker(s) | -- | If open/short to ground: No sound is heard from left rear speaker(s) | ||||
| A12 | BLK | GND | Ground for audio-navigation unit (G402) | -- | If open: Display picture goes out. If short to ground: No effect on system |
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| A14 | PUR | ACC | Power sourse for accessories | Ignition switch ACC(I): Battery voltage | If open: Display picture goes out. If short to ground: Blows fuse No. 35 (10 A) in the under-dash fuse/relay box. |
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| A15 | BLU | VSP | Detects vehicle speed pulse from PCM | Ignition switch ACC(II): 0-5V pulses, 2.5 V average (depends on vehicle speed) | If open: No vehicle speed pulse, Diagnostics screen Car Signal, VSP=0 | ||||
| A16 | PNK | REMOTE | Detects control signal from audio remote switch | Ignition ON(II) and no button pressed: 2.6 V | If open/short: Audio remote switch does not work | ||||
| A17 | YEL | SWD+B | Outputs signal for stereo amplifier and active noise cancellation unit switching ON/OFF | Ignition switch ACC(I): 10.5 V | If open/short: No sound is heard from all speakers. | ||||
| A18 | PNK | FR PRE- | Outputs sound signal for right front speaker(s) | -- | If open/short to ground: No sound is heard from right front speaker(s) | ||||
| A19 | BLU | FR PRE + | Outputs sound signal for right front speaker(s) | -- | If open/short to ground: No sound is heard from front rear speaker(s) | ||||
| A22 | RED | FL PRE- | Outputs sound signal for left front speaker(s) | -- | If open/short to ground: No sound is heard from left front speaker(s) | ||||
| A23 | GRN | FL PRE + | Outputs sound signal for left front speaker(s) | -- | If open/short to ground: No sound is heard from left front speaker(s) | ||||
| A24 | WHT | + B | Continuous power source | Battery voltage | If open: Display picture goes out. If short to ground: Blows fuse No. 17 (20 A) in the under-hood fuse/relay box. |
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