Workshop Manuals Factory service & repair Alfa Romeo
01 General data and specifications02 Maintenance03 Diagnosis – checks04 Engine (1.6 and 2.0 Twin Spark)05 Clutch06 Gearbox (manual and Selespeed)07 Front axle08 Brakes, ABS and traction control09 Steering10 Suspension and wheels11 Heating, air conditioning and washers12 Electrical equipment13 Body14 Body panels and reinforcement15 Wiring diagrams16 Connectors and pin-outs17 Wiring harnesses18 Fault diagnosis19 Special tools
Alfa Romeo 147 Factory Service Manual (2000-2002)18 · Fault diagnosis
18 · Diagnostics

K40 Generator warning light not working

Make
Alfa Romeo
Model
147 Factory Service Manual
Year
2000–2002
Section
Instruments › K40 Generator warning light not working
Fault diagnosisK40 Generator warning light not working

K40 Generator warning light not working

When the ignition is turned on, the generator warning light does not come on.

StepTest procedureResultAction
1CHECKING WITH DIAGNOSTIC EQUIPMENT

Connect the Examiner to the diagnostic socket

Check warning light operation while in active diagnosis mode

OK

Move onto step 2

The warning light does not come on

End of diagnosis

2CHECKING ELECTRICAL EQUIPMENT

Check body computer power supply is correct, particularly the D+ and +15 signal: Wiring diagram E5010 IGNITION AND RECHARGING

OK

Move onto step 3

Body computer power supply incorrect.
  • Restore correct power supply

End of diagnosis

3CHECKING BATTERY

Check the operation of the battery.

OK

Move onto step 4

Battery not working

End of diagnosis

4CHECKING CORRECT OPERATION

Check that the fault is no longer present

OK

Incorrect selection of diagnostic procedure

Fault persists

Incorrect selection of diagnostic procedure

Parts & tools for this job For 2000 Alfa Romeo 147

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