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)

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Precautions In Diagnosing Trouble

Precautions in Diagnosing Trouble
^ Do not disconnect the following parts before confirming diagnostic information (DTC, etc.) stored in 4WD control module memory. These actions will erase memorized information in 4WD control module memory.
^ Disconnection of coupler from 4WD control module
^ Disconnection of battery cable from battery
^ Disconnection of ground wire harness of 4WD control module
^ Disconnect main fuse from fuse box
^ Diagnostic information stored in 4WD control module memory can be cleared as well as checked by using SUZUKI scan tool. Before using scan tool, read its Operator's (Instruction) Manual carefully to have good understanding as to what functions are available and how to use it.
^ Be sure to read Precautions for Electrical Circuit Service before inspection and observe what is written there.