Reverse gear engaged signal check
- Make
- Fiat
- Model
- Grande Punto Factory Service Manual
- Year
- 2005–2012
- Section
- Warning and manoeuvring indicators › Reverse gear engaged signal check
REVERSE GEAR ENGAGED SIGNAL CHECK
| STEP | CHECK TO BE PERFORMED | RESOLUTION IF THE CHECK IS NOT OK |
|---|---|---|
| 1 | Turn the ignition key OFF. Disconnect the wiring harness connector from Body Computer connector A Turn the ignition key ON. Disconnect all the electrical appliances and reverse. Measure the voltage between Pin 1 of the wiring connector (wiring side) of the Body Computer and Earth, checking it is less than 0.3 V. Move on to Step 4 | Move on to Step 2 |
| 2 | Turn the ignition key OFF. Disconnect the wiring harness connector from the reversing light switch. Turn the ignition key ON. Measure the voltage between Pin 1 of the wiring connector (wiring side) of the Body Computer and Earth, checking it is greater than 0.3 V | Replace the reversing switch |
| 3 | Repair or replace the electrical wiring between the reversing switch, reversing light and Body Computer The test can be considered over | |
| 4 | Engage reverse gear. Measure the voltage between Pin 1 of the wiring connector (wiring side) of the Body Computer and Earth, checking it is less than 11 V | Replace Body Computer |
| 5 | Turn the ignition key OFF. Remove fuse F59 (second from the left on the second row from the bottom) in the engine compartment junction unit and check it has not blown. Move on to Step 7 | Move on to Step 6 |
| 6 | Disconnect the wiring harness connector from the reversing light switch. Turn the ignition key ON. Fit a new fuse F59 and check it does not blow. The test can be considered over | Repair or replace the electrical wiring between the reversing switch and the engine compartment junction unit |
| 7 | Turn the ignition key OFF. Connect a shunt cable with a fuse between switch Pin 2 (wiring side) See I020 REVERSING LIGHTS SWITCH and the battery positive and check that the fuse of the shunt connection does not cut out. Move on to Step 9 | Move on to Step 8 |
| 8 | Disconnect the wiring harness connector from the reversing tail-light. Fit a new fuse in the shunt connection and check it does not cut out. Move on to Step 3 | Replace the reversing light |
| 9 | Reconnect the wiring harness connector to Body Computer connector A and check that the shunt connection fuse does not cut out. | Replace Body Computer |
| 10 | Replace the reversing switch |
Parts & tools for this job For 2005 Fiat Grande Punto
- TOOLDigital multimeterSearch: automotive digital multimeter
- PARTAssorted fuse kitSearch: car fuse assortment kit
- TOOLWire crimper and connector kitSearch: wire crimper connector kit
Links open Amazon search results in a new tab. As an Amazon Associate I earn from qualifying purchases.