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

Checking Charging System Operation With No DTC's Present

Tests 1 - 3:

Tests 4 - 8:

Test 9:

SYMPTOM
CHECKING CHARGING SYSTEM OPERATION WITH NO DTC'S PRESENT

POSSIBLE CAUSES
- B (+) circuit high resistance
- Generator ground high resistance
- B(+) circuit high resistance (1.0 volt)
- Generator belt observable problem
- Generator field terminal intermittent problem
- Trouble codes present
- Trouble codes present 2000 rpm
- PCM (Charging System No Code)