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

Diagnostic Starting Point - Vehicle




Diagnostic Starting Point - Vehicle

Begin the system diagnosis with Diagnostic System Check - Vehicle Diagnostic System Check - Vehicle. The Diagnostic System Check - Vehicle will provide a complete strategy to locate and repair a mechanical or electrical vehicle fault. Not following this strategy may cause additional diagnostic time and/or misdiagnosis.

The Diagnostic System Check - Vehicle will provide the following strategy:

* When to verify the customer concern and identify related bulletins, recalls and preliminary information

* When to identify a control module that is not communicating, a control module that has set a DTC, and the DTC diagnostic priority

* When to address power mode concerns

* When to verify the engine cranks and runs

* When to diagnose symptom related concerns