Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

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LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Scan Tool Testing and Procedures

NOTE: This test requires use of Mazda Special Service Tools (SST). To determine if aftermarket "Scan" tools will perform this function, check with manufacturer.

SST Connections:






1. Warm engine to operating temperature and switch ignition "OFF."
2. Connect Self-Diagnosis Checker (SST #49 H018 9A1) to check connector (Green: 6-pin) and negative battery terminal.
3. Connect a jumper wire between test connector (Green: 1-pin) and ground.
4. Turn ignition switch "ON." Check if monitor lamp illuminates when each switch is made to function as described on image chart:


Switch Monitor Function:






CAUTION: When any switch is activated, monitor lamp will stay "ON." Do not start engine.

If malfunctions are detected, check individual switches with these charts and refer to COMPONENT TESTING if required:

SWITCH CHECK CHARTS

Part 1

Switch Check Charts (Part 1):






Neutral and clutch switches
Idle switch
Stop light switch (M/T)
Blower switch
A/C switch

Part 2

Switch Check Charts (Part 2):






Headlight switch
Rear defroster switch
Inhibitor switch (A/T)
No. 1 water thermoswitch circuit

Part 3

Switch Check Charts (Part 3):






No. 2 water thermoswitch circuit
Daytime running light control unit (Canada)