Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Cranking Holding Function Circuit

Cranking Holding Function Circuit

DESCRIPTION




The system detects the ignition switch's starting signal (STSW) and then supplies current to the starter until the ECM judges that the engine has started successfully. The purpose is to reduce the holding time of the ignition key.

Wiring Diagram:






Step 1:




Step 1(Continued)-3:




Step 4-5:




Step 5(Continued)-7:




Step 7(Continued)-9:




Step 10-11:




Step 12:




Step 13-14:




Step 15:




INSPECTION PROCEDURE