Diagrama Electrico Pointer -
| Code | Meaning | Location in Car | | :--- | :--- | :--- | | | Permanent battery positive (Hot at all times) | Alternator B+ terminal, Main fuse box | | 15 | Ignition switched positive (Hot when key is ON) | Ignition switch output | | X | Load reduction (Cuts off during cranking) | Heater, Wipers, Windows | | 31 | Ground (Chassis earth) | Near headlights, under dash, near taillights | | 58 | Parking light circuit | Light switch output |
The electrical diagram of a Pointer car includes several components, such as: diagrama electrico pointer
| Gauge/Light | Wire Color | Source | | :--- | :--- | :--- | | Tachometer (RPM) | Black (signal from coil negative or ECU) | Pin 1 of coil or ECU pin 15 | | Speedometer | 3-wire sensor (Red=12V, Black=Ground, Green=Signal) | Transmission housing | | Coolant temp gauge | Blue/Red (sensor to cluster) | Single wire sensor | | Fuel level | Purple (sender to cluster) | Fuel pump module | | Check Engine Light (MIL) | Brown/White (ECU pin 29 to cluster) | ECU | | Code | Meaning | Location in Car
Para leer un diagrama eléctrico, necesitas identificar los colores de los cables: diagrama electrico pointer
| Sensor | Wire Colors (Typical) | ECU Pin | | :--- | :--- | :--- | | Crankshaft position (CKP) | Blue/Red + White/Black | 48, 49 | | Coolant temp (CTS) | Yellow + Black/Red | 44, 45 | | Throttle position (TPS) | Gray + Black/Light Blue | 30, 31, 32 | | Oxygen sensor (O2) | Black (signal) + Gray (ground) | 43, 46 | | Injectors (each) | Injector common: Red (12V from relay) | Ground pulse: ECU pins 51, 52, 53, 54 | | Ignition coil | Terminal 1: Green (ECU pin 1) | Terminal 2: Black (Ground) |
| Fuse | Amp | Circuit | | :--- | :--- | :--- | | EF1 | 60A | Ignition switch feed | | EF4 | 30A | Radiator fan | | EF5 | 15A | Fuel pump relay | | EF6 | 10A | Engine control unit (ECU) | | EF7 | 15A | Injectors / Coil |