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)

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Check for Intermittent Problems

CHECK FOR INTERMITTENT PROBLEMS

TOYOTA hand-held tester only: By putting the vehicle's ECM in the check mode, 1 trip detection logic is possible instead of 2 trip detection logic and sensitivity to detect open circuits is increased. This makes it easier to detect intermittent problems.

1. Clear the DTCs.
With Generic Scan Tool
2. Set the check mode.
DTC Check (Check Mode)
3. Perform a simulation test.
4. Check the connector and terminal.
5. Handle the connector.