Ignition Timing Inspection - Mazda 3 Workshop Manual

Mazda 3 Workshop Manual – Engine + Wiring Diagrams + Diagnostic Trouble Codes
4. Connect the WDS or equivalent to the DLC-2.
5. Turn the test mode on using a simulation function.
6. Verify that the idle speed is within the specification using the RPM DATA MONITOR function.
• If not within the specification, adjust the idle speed.
Idle speed
ATX: 700-800 rpm
MTX: 640-740 rpm

Ignition Timing Inspection

Note
• The ignition timing cannot be adjusted.
• The WDS or equivalent is required to verify the ignition timing.
1. Complete the engine tune-up preparation.
Note
• Use a timing light that can detect the primary ignition signal.
2. Remove the PCM connector cover.
3. By referring to the following procedure, connect the timing light to the PCM terminal 2A wire.
Caution
• To prevent poor contact at the connector terminal, be careful not to pull the wire on the
connector side.
Note
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