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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Test A: No Communication With The Vehicle Security Module
PINPOINT TESTS A: NO COMMUNICATION WITH THE VEHICLE SECURITY MODULEA1-A2:
Normal Operation The vehicle security module receives voltage on circuits 456 (DG/OG) and 645 (WH/LB), and ground on circuit 1205 (BK).
Possible Causes -
circuit 1205 (BK) open
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circuit 456 (DG/OG) open or short to ground
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circuit 645 (WH/LB) open or short to ground
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vehicle security module