Trouble Code Table, 20 Nej
| Trouble code | Information sensor | Cause of fault |
|---|
| 14 | Coolant temperature sensor | Voltage low |
| 15 | Coolant temperature sensor | Voltage high |
| 16 | Knock sensor | No signal |
| 18 | Knock control module | Control unit defective |
| 19 | Crankshaft pulse pick�up | Incorrect engine speed signal |
| 21 | Throttle valve potentiometer | Voltage high |
| 22 | Throttle valve potentiometer | Voltage low |
| 25 | Injector 1 | Voltage high |
| 26 | Injector 2 | Voltage high |
| 27 | Injector 3 | Voltage high |
| 28 | Injector 4 | Voltage high |
| 31 | Crankshaft pulse pick�up | No engine speed signal |
| 33 | Exhaust gas recirculation valve | Voltage low |
| 34 | Exhaust gas recirculation valve | Voltage high |
| 48 | Battery | Voltage low |
| 49 | Battery | Voltage high |
| 52 | Engine telltale | Voltage high |
| 53 | Fuel pump relay | Voltage low |
| 54 | Fuel pump relay | Voltage high |
| 55 | Control unit | Defective |
2.3.6 Trouble Code Table, 20 Nej
| Trouble code | Information sensor | Cause of fault |
|---|
| 56 | Idle air regulator | Voltage low |
| 57 | Idle air regulator | Voltage high |
| 61 | Tank vent valve | Voltage low |
| 62 | Tank vent valve | Voltage high |
| 69 | Intake air temperature sensor | Voltage low |
| 71 | Intake air temperature sensor | Voltage high |
| 73 | Hot film mass air flow meter | Voltage low |
| 74 | Hot film mass air flow meter | Voltage high |
| 75 | Torque control | Voltage low |
| 76 | Torque control | Voltage high |
| 81 | Injector 1 | Voltage low |
| 82 | Injector 2 | Voltage low |
| 83 | Injector 3 | Voltage low |
| 84 | Injector 4 | Voltage low |
| 87 | AC relay | Voltage low |
| 88 | AC relay | Voltage high |
| 93 | Hall sensor | Voltage low |
| 94 | Hall sensor | Voltage high |
| 135 | Engine telltale | Voltage low |
| 136 | Control unit | Defective |
