C0490 01
C0490 01
ISM-SCL, Unsecure Lockingbolt Circuit, Short to B+
On-board diagnosis
Type of diagnosis:
- Continuous
Enable criteria:
- Diagnostics runs when key is removed.
Fault criteria:
- ISM-SCL lead short circuited to B+
System reaction to a fault:
- None
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:
Test value:
- SCL Voltage, Unlocked and Secured
(See also description of readings/activations in diagnostic tool)