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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Test Notes

Enter this pinpoint test only when directed here from the symptom flowcharts.

This pinpoint test is intended to diagnose only the following:
- Powertrain Control Module (PCM)
- harness circuits: Injector Driver Module Enable (IDM-EN)
- Injector Driver Module (IDM) relay

DESCRIPTION
The IDM-EN output provides the shut-down control function for the fuel system by shuttling off the IDM relay.

DTC DESCRIPTION
P1662 = IDM-EN circuit failure