Fuel reserve warning light on (with higher level)
- Make
- Fiat
- Model
- 500 Factory Service Manual
- Year
- 2007–2024
- Section
- Instrument panel › Fuel reserve warning light on (with higher level)
FUEL RESERVE WARNING LIGHT ON (WITH HIGHER LEVEL)
The Engine Management Node sends a message via the C-CAN to the Body Computer, which makes it available via the B-CAN, to the Instrument Panel node.
Faults in the C-CAN will turn on the warning lights for the control units that communicate on this network. The "CAN INFORMATION" check is designed for this eventuality
| Test results | ||||
| 0 | PRELIMINARY CHECKS | All OK | Problems encountered | Operation |
|---|---|---|---|---|
| Check that the fuel level gauge reading is not in the reserve condition | Move on to Step 1 | Fuel level gauge on reserve | Top up the fuel to the correct level. | |
| 1 | ACTIVE DIAGNOSIS CHECK | All OK | Problems encountered | Operation |
| With the Examiner in the Instrument Panel Node ambient check that the fuel reserve warning light is correctly activated in Active Diagnosis | Move on to Step 2 | The reserve warning light does not flash | Replace the Instrument Panel | |
| 2 | FUEL LEVEL GAUGE CHECK | All OK | Problems encountered | Operation |
Check the insulation of the wiring to the fuel gauge earth. Check the level gauge is working properly. | Move on to Step 3 | 1. The wiring is short circuited 2. Level gauge defective. | 1. Restore the correct insulation. 2. Replace the submerged fuel pump assembly Op. 1040A70 SUBMERGED PUMP ASSEMBLY COMPLETE WITH LEVEL GAUGE CONTROL - R + R | |
| 3 | CORRECT OPERATION CHECK | All OK | Problems encountered | Operation |
| Check that the body computer is working properly. | End of diagnosis | Body Computer defective. | Replace Body Computer | |
Parts & tools for this job For 2007 Fiat 500
- TOOLTorque wrenchSearch: 3/8 inch torque wrench
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- BOOKHaynes manualSearch: Haynes manual Fiat 500
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