Workshop Manuals Factory service & repair Fiat
01 00 Introduction and technical data02 10 Engine03 18 Clutch04 21 Gearbox and differential05 33 Braking system06 41 Steering07 44 Suspension and wheels08 50 Auxiliary units09 55 Electrical system10 70 Bodywork
Fiat Punto (176) Factory Service Manual (1993-1999)09 · 55 Electrical system
09 · Electrical

Component identification

Make
Fiat
Model
Punto (176) Factory Service Manual
Year
1993–1999
Section
Control units ('97-'98 range) › Component identification
55 Electrical systemComponent identification

Component identification

Diagram of the fuse box area showing components labeled A through H, including relays, fuses, and the intake air pressure sensor.
A. dual relay B. fuse protecting injection-ignition ECU C. Fiat CODE system fuse D. pulse generator connection for speedometer signal E. relay controlling radiator cooling fan (only for cars with heater) F. lambda probe fuse G. ABS system fuse H. Intake air pressure sensor Check components for faults or damage and replace if necessary.

Removing-refitting intake air pressure sensor

Diagram showing the intake air pressure sensor being removed, with callouts (1) for the electrical connection and (2) for the pipe connecting to the intake manifold.
- Disconnect electrical connection (1), undo retaining nuts indicated and remove the sensor from the mount. Disconnect pipe (2) connecting to the intake manifold and remove the sensor from the engine bay. - to refit, carry out removal instructions in reverse order and ensure the intake manifold connection pipe and electrical connection are correctly positioned.

MAXI-FUSE BOX FUSES

Fuse identification

Diagram of the Maxi-fuse box showing fuses labeled A through G, cover (2), mounts (1), base (4), and another cover (3).
A. 40A fuse (IGN) for ignition system B. 30A fuse (EFI) for injection system C. 50A fuse (J/B2) for supplementary options D. 80A fuse (J/B1) for junction unit E. 40A fuse for ABS system F. 30A fuse for supplementary fan system G. 30A fuse (40A) for radiator fan system (*) for versions with climate control system Remove cover (2) from mounts (1) and cover (3) from base (4) to gain access to the MAXI-FUSE fuses. Check components for damage or faults and replace if necessary.

Parts & tools for this job For 1993 Fiat Punto

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