Cranking Holding Function Circuit
Cranking Holding Function CircuitWiring Diagram:
CIRCUIT DESCRIPTION
The system detects the IG switch's starting signal (STSW signal) and then supply current to starter until judge engine perfect explosion is judged. The purpose is to reduce the holding time of the ignition key.
INSPECTION PROCEDURE
Step 1 - 2:
Step 2 (Continued) - 4:
Step 5 - 6:
Step 7 - 10:
Step 10 (Continued):
Hand-held tester:
Step 1 - 2:
Step 3 - 4:
Step 5 - 7:
Step 8 - 9:
OBD II scan tool (excluding hand-held tester):
CHECK FOR INTERMITTENT PROBLEMS
Hand-held tester only:
By putting the vehicle's ECM in the check mode, the 1 trip detection logic is possible instead of the 2 trip detection logic and the sensitivity to detect open circuits is increased. This makes it easier to detect intermittent problems.
1. Clear the DTCs.
2. Set the check mode.
3. Perform a simulation test.
4. Check the connector and terminal.
5. Handle the connector.