Diagnostic Trouble Codes - 1994
Mazda
| 02 | Crank Position Sensor 2 (NE 2 Signal). |
| 03 | Crank Position Sensor 1 (G Signal). |
| 04 | Crank Position Sensor 1 (NE 1 Signal). |
| 05 | Knock Sensor. |
| 08 | Air Flow Sensor. |
| 09 | Engine Coolant Temperature Sensor. |
| 10 | Intake Air Temp. Sensor (Air Flow Sensor). |
| 12 | Throttle Position Sensor. |
| 14 | Barometric Absolute Press. Sensor. |
|
15 and/or 23 |
Heated Oxygen Sensor (Inactivation). |
| 16 | EGR Function Sensor. |
| 25 | Pressure Regulator Control Solenoid Valve. |
| 26 | Purge Control Solenoid Valve. |
| 28 | EGR Vacuum Solenoid Valve. |
| 29 | EGR Vent Solenoid Valve. |
| 34 | Idle Air Control Valve. |
| 41 | VRIS 1 Solenoid Valve. |
| 46 | VRIS 2 Solenoid Valve. |
| 67 | Coolant Fan Relay No. 1. |
To Extract DTCs:
- Warm engine to operating temperature and turn ignition "OFF."
- Install jumper wire between TEN and GND terminals of data link connector.
- Turn the ignition switch to the ON position.
- If MIL illuminates for 3 seconds, goes off, and stays off, no codes are present.
- If MIL illuminates, then starts flashing, record codes.
- When all codes have been recorded, remove jumper wire.

