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

Electrical Diagrams




ELC-4 A/T Control Module
Power Source
Battery Back Up
J/B
J/C (3)
IOD or Storage Connector




Combination Meter
Engine Control Module
J/C (2, 3)
Throttle Position Sensor




Auto-Cruise Control Unit
Dedicated Fuse
ELC-4 A/T Control Module
J/B
J/C (1)
Overdrive Switch
Pattern Select Switch




ELC-4 A/T Control Module
Park/Neutral Position Switch




Combination Meter
J/C (1)




Automatic Transmission Fluid Temperature Sensor
ELC-4 A/T Control Module
Input/Output Shaft Speed Sensor
Shift Solenoid No. 1 (ELC 4-Speed Automatic Control Solenoid Valve)
Shift Solenoid No. 2 (ELC 4-Speed Automatic Control Solenoid Valve)
Shift Solenoid No. 3 (ELC 4-Speed Automatic Control Solenoid Valve)




Data Link Connector
ELC-4 A/T Control Module
Engine Control Module
Free Wheel Engage Switch
J/C (1,2)
Low Range Operation Detection Switch