SCM / P0628 00
Read the instructions below then
start the fault diagnostic procedure.
Symptom: CHECK ENGINE
Engine does not start.
Fuel Pump Relay Control Circuit Low Voltage
Fault symptom
CHECK ENGINE
Engine does not start.
On-board diagnosis
Type of diagnosis:
Enable criteria:
| Battery voltage must be between 11 - 16 V. |
Fault criteria:
| When voltage on the output is below 2.0 V for more than 1 s. |
Dependent:
System reaction to a fault:
| SCM requests CHECK ENGINE lamp lit by ECM. |
OK report:
| Fault criteria NOT fulfilled for 2 s with engine running. |
Checking the wiring harness
Move the wiring harness at several spots and in several directions to reveal intermittent breaks and short-circuits. Check switches, connectors and crimp connections for oxidation, retracted pins and pin clamping force.
Diagnostic help
Diagnosis regards:
| Electrical fault in connecting leads or component. |
Functions in the diagnostic tool related to the fault:
| (See also description of readings/activations in diagnostic tool) |
