Control module connection
TECHNICAL DATA
| Pin no. | Lead color | Component/Function | In/Out | Test conditions | Across | Test reading | See |
|---|---|---|---|---|---|---|---|
| 1 | No connection | ||||||
| 2 | No connection | ||||||
| 3 | No connection | ||||||
| 4 | No connection | ||||||
| 5 | RD | Battery voltage +30 | In | Ignition ON | 5-B+ | <0.5 V | FUSES & CIRCUIT BREAKERS |
| 6 | BU/WH | Washer fluid level sensor | In | Washer fluid present (open switch). | 6-13 | B+ | FUSES & CIRCUIT BREAKERS |
| No washer fluid present (closed switch) | 6-13 | 0 V | |||||
| 7 | OG | Outside temperature sensor, ground | - | Ignition ON | 7-B- | <0.1 V | FUSES & CIRCUIT BREAKERS |
| 8 | RD/BU | Rheostat, ground | - | Ignition ON | 8-B- | <0.1 V | FUSES & CIRCUIT BREAKERS |
| 9 | YE | Steering wheel control, ground | - | Ignition ON | 9-B- | <0.1 V | FUSES & CIRCUIT BREAKERS |
| 10 | TCM, downshifting/up shifting | Out | Ignition ON Hold Gear |
10-B- | 0.5-1.4V | FUSES & CIRCUIT BREAKERS | |
| Shift Gear Up (+) | 10-B- | 1.4-1.79V | |||||
| Shift Gear Down (-) | 10-B- | 2.7-3.5V | |||||
| 11 | BN/OG | Horn relay | Out | Ignition ON Horn NOT activated. |
11-13 | B+ | FUSES & CIRCUIT BREAKERS |
| Horn activated. | 11-13 | 0 V | |||||
| 12 | GN | Bus (+) | In/Out | Ignition ON | 12-13 | 2.5 V | FUSES & CIRCUIT BREAKERS |
| 13 | BK | Ground | Out | Ignition ON | 13-B- | <0.5 V | FUSES & CIRCUIT BREAKERS |
| 14 | No connection | ||||||
| 15 | No connection | ||||||
| 16 | No connection | ||||||
| 17 | No connection | ||||||
| 18 | GN/WH | Coolant level sensor | In | Coolant present (closed contact). | 18-13 | 0 V | FUSES & CIRCUIT BREAKERS |
| No coolant present (open contact). | 18-13 | B+ | |||||
| 19 | BN | Parking heater / auxiliary heater | Out | Activated | 19-13 | 0 V | |
| Not activated | 19-13 | B+ | |||||
| 20 | GY | Outside temperature sensor | In | Ignition ON Temperature readings: |
FUSES & CIRCUIT BREAKERS | ||
| 10°C/50°F | 20-13 | 2.49 V | |||||
| 20°C/68°F | 20-13 | 1.72 V | |||||
| 30°C/86°F | 20-13 | 1.43 V | |||||
| 21 | RD/WH | Rheostat | In | Ignition ON "Max" rheostat position. |
21-13 | 0 V | FUSES & CIRCUIT BREAKERS |
| "Min" rheostat position | 21-13 | 3.5 V | |||||
| 22 | BU | Steering wheel control (switches) | In | Ignition ON Press the following buttons: |
- | FUSES & CIRCUIT BREAKERS | |
| Horn | 22-13 | 0 V | |||||
| Shift Gear Up (+) | 22-13 | 0.7 V | |||||
| Shift Gear Down (-) | 22-13 | 0.8 V | |||||
| VOL - | 22-13 | 1.3 V | |||||
| VOL + | 22-13 | 1.7 V | |||||
| SRC | 22-13 | 2.1 V | |||||
| SEEK | 22-13 | 2.5 V | |||||
| << SEEK | 22-13 | 2.9 V | |||||
| NXT | 22-13 | 3.3 V | |||||
| Normal position | 22-13 | 4.0 V | |||||
| 23 | YE/WH | Filament monitor, front lamps | In | Ignition ON OFF |
23-13 | B+ | FUSES & CIRCUIT BREAKERS |
| ON | 23-13 | 0 V | |||||
| 24 | WH | Bus (-) | In/Out | Ignition ON | 24-13 | 2.5 V | FUSES & CIRCUIT BREAKERS |
| 25 | RD/BU | Battery voltage +15 | In | Ignition ON | 25-B+ | <0.5 V | FUSES & CIRCUIT BREAKERS |