Terminals and Reference Value for Intelligent Key Unit
WARNING: This page is about a different car, the 2008 Infiniti M45 and 2008 Infiniti M35. However, it is still accessible from the selected car via links, so may be relevant.
TERMINAL AND REFERENCE VALUE CHART
| Terminal No. | Wire color | Item | Signal Input/Output | Condition | Voltage (V) (Approx.) | |
|---|---|---|---|---|---|---|
| Push-button ignition switch position | Operation or conditions | |||||
| 1 | SB | Power source (fuse) | Input | - | - | Battery voltage |
| 3 | Y | IPDM E/R current signal | Input | START | At starter motor cranking | 5 |
| LOCK | Any condition other than above | 2 | ||||
| 8 | W | Push-button ignition switch LOCK indicator | Output | LOCK | Power supply position is in LOCK position | 0 |
| - | Power supply position is in any position other than LOCK | 1.2 | ||||
| 9 | L | Push-button ignition switch ACC indicator | Output | ACC | Power supply position is in ACC position | 0 |
| - | Power supply position is in any position other than ACC | 1.2 | ||||
| 10 | V | Push-button ignition switch ON indicator | Output | ON | Power supply position is in ON position | 0 |
| - | Power supply position is in any position other than ON | 1.2 | ||||
| 13 | LG/B | Key slot illumination | Output | LOCK | Driver door is opened under the condition that the Intelligent Key is inserted into the key slot | 0 → Battery voltage → 0 |
| Intelligent Key is removed from key slot (when key slot illumination is turned off) | 0 | |||||
| 15 | LG | Steering lock unit power source | Output | LOCK | - | Battery voltage |
| 16 | P/B | Steering lock unit signal | Input/Output | LOCK | Steering lock: Lock | Battery voltage |
| ACC | Steering lock: Unlock (Unlocked moment) | 0 | ||||
| 19 | BR/Y | Key switch | Input | LOCK | Intelligent Key is inserted into key slot | Battery voltage |
| Intelligent Key is removed from key slot | 0 | |||||
| 20 | B | Ground | - | - | - | 0 |
| 27 | V | A/T device (Detention switch) | Input | LOCK | A/T selector lever is in P position | 0 |
| ON | A/T selector lever is in any position other than P | Battery voltage | ||||
| 28 | SB | Starter relay | Input | ON | A/T selector lever is in N or P position | Battery voltage |
| - | Power supply position is in LOCK position or A/T selector lever is in any position other than N or P position | 0 | ||||
| 29 | V/R | Stop lamp switch | Input | - | Brake pedal depressed | Battery voltage |
| Brake pedal released | 0 | |||||
| 30 | L/W | Ignition power supply (ACC) | Input | ACC | Power supply position is in ACC position | Battery voltage |
| 31 | GR | Ignition power supply (ON) | Input | ON | Power supply position is in ON position | Battery voltage |
| 33 | O | PDU signal | Input | LOCK | Steering lock: Lock | 0 |
| ACC | Steering lock: Unlock | 8 | ||||
| 34 | R | PDU feed back signal | Input | LOCK | At wake-up (Open driver door) | 0 |
| 35 | LG | Vehicle speed signal | Input | ON | At speedometer operation (vehicle speed approx. 40 km/h) | |
| 37 | P | CAN L | Input/Output | - | - | - |
| 38 | L | CAN H | Input/Output | - | - | - |
| 39 | BR/W | Push-button ignition switch | Input | - | Push-button ignition switch is pressed | 0 |
| Push-button ignition switch is released | Battery voltage | |||||
| 40 | B | Ground | - | - | - | 0 |
| 41 | Y | Power source (fuse) | Input | - | - | Battery voltage |
| 42 | P | PDU wake up signal | Output | LOCK | At sleep (30 seconds or more after all doors are closed under the condition that the power supply position is in the LOCK position) | Battery voltage |
| - | At wake-up (Open driver door) | 0 | ||||
| 43 | G | Starter signal | Output | ON | At starter motor cranking | 0 |
| - | Other than above | Battery voltage | ||||
| 46 | V | PDU signal | Output | - | Steering lock: Lock | Battery voltage |
| LOCK | Steering lock: Unlocked moment | 0 | ||||
| 56 | B | Ground | - | - | - | 0 |
| 57 | L | Power source (fuse) | Input | - | - | Battery voltage |
| 58 | O | A/T device (Detention switch) | Input | LOCK | At sleep (30 seconds or more after all doors are closed under the condition that the power supply position is in the LOCK position) | 0 |
| - | At wake-up (Open driver door) | Battery voltage | ||||
| 63 | P | Stop lamp switch | Input | - | Brake pedal depressed | Battery voltage |
| Brake pedal released | Battery voltage | |||||
| 64 | L/R | Push-button ignition switch illumination | Output | - | Push-button ignition switch illumination is turned on | 2.6 |
| Push-button ignition switch illumination is turned off (15 seconds or more after the driver door is closed) | 0 | |||||
| 69 | O | Steering lock unit condition signal-1 | Input | LOCK | Steering lock: Lock | 0 |
| ACC | Steering lock: Unlock | Battery voltage | ||||
| ON | Battery voltage | |||||
| 70 | L/Y | Steering lock unit condition signal-2 | Input | LOCK | Steering lock: Lock | Battery voltage |
| ACC | Steering lock: Unlock | 0 | ||||
| ON | 0 | |||||
| 71 | LG | PDU signal | Output | LOCK | Steering lock: Lock | Battery voltage |
| ACC | Steering lock: Unlocked moment | 0 | ||||
| 72 | B | Ground | - | - | - | 0 |