Intermittent Problem Check (Hand-Held Tester Only)

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NOTE: By putting vehicle's ECM in 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.

Clear DTC. See CLEARING DIAGNOSTIC TROUBLE CODES .
Set check mode. See CHECK MODE CODE RETRIEVAL under RETRIEVING DIAGNOSTIC TROUBLE CODES.
Simulate conditions of malfunction described by customer.
Check connector and terminal.
Handle connector.