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

Control Assembly: Testing and Inspection

Control Panel

INSPECTION

1. CHECK ILLUMINATION
UNIT INSPECTION

1. Check the illumination operation when battery voltage is applied between the terminals of control panel.










2. If it does not operate normally, replace the heater control assembly.

2. BLOWER SWITCH (MANUAL A/C MODEL)
UNIT INSPECTION

PREPARATION TOOL: Circuit tester


1. Measure the resistance between the control panel terminals.






2. Replace the heater control assembly if the inspection result is not within the standard.