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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Control Module: Testing and Inspection

For legend and connector notes refer to "Automatic Transmission/Transaxle : Relays and Modules : Control Module,A/T : Diagrams:. Connector Views

Input/Output Circuit Diagram

Test Measurements

Grounds - Ohms

Grounds - Volts

Battery Supply

Shift Lever Range Selector
3 Series - *
5 Series - **

Program Switch

Kicdown Switch

Processed Throttle Sognal

Shift Solenoid Control

Lock Up Solenoid Activation

A/C Compressor Load Signal

Fault Indicator Display

Pressure Regulator

Band Apply Solenoid

Ti Signal

TD Signal

Engine Intervention/Timing Retard

Reverse Gear Lockout

Instrument Cluster

Road Speed Signal

Diagnostic Link

Park/Neutral Shift Lock

Road Speed Signal Shield

Oil Temperature Sensor

Solenoid Valves