MID 128, PPID 3 Starter Output
FMI 3 – Voltage above normal or shorted high
Fault code explanation: Starter output failure.
Fault indication: EMS: Flashcode
Flash code
Electrical fault: 4.6
Value fault: None.
Symptom: The engine cannot be started.
The engine starts immediately when ignition is turned on.
Preconditions: General check for starter motor problems
•
Check the starter motor cables and the connections.
•
Check that the starter relay pull during the start attempt.
Possible reason: • Short circuited ignition cable to 5V voltage or to battery voltage.
• Ignition signal activated for too long.
• Faulty start button/key switch.
Suitable action: 1 Check that the key switch is connected correctly.
2 Check cable harness between EMS2 and the CIU key switch.
3 Check the function of the key switch.
4 Faulty start button on the DCU.
FMI 4 – Voltage below normal or shorted to lower voltage
Fault code explanation: Starter output failure.
Fault indication: EMS: Flashcode
Flash code
Electrical fault: 4.6
Value fault: None.
Symptom: The engine cannot be started.
The engine starts immediately when ignition is turned on.
Preconditions: General check for starter motor problems
•
Check the starter motor cables and the connections.
•
Check that the starter relay pull during the start attempt.
Conditions for fault code: The voltage on pin B29 in the engine control unit is less than normal voltage.
Possible reason: • Short circuited ignition cable to battery negative.
• Faulty key switch.
Suitable action: 1 Check the ignition cable.
2 Check that the key switch is connected correctly.
3 Check cable harness between EMS2 and the CIU key switch.
4 Check the function of the key switch.
30-2 Fault Tracing
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