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

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US Vehicles

PREPARATION

Diagnosis Connector:






1. Warm engine to operating temperature.
2. Turn all electrical loads "OFF."
3. If using Mazda System Selector (SST #49 B019 9A0), connect to diagnosis connector. Set switch "A" to position "1" and test switch to "SELF-TEST" position.
4. Connect tachometer and timing light.

NOTE: If Mazda SST is not used, install a jumper wire between diagnosis connector "TEN" and "GND" terminals.

ADJUSTMENT






1. Check that timing mark (yellow) on crank pulley is aligned with mark on timing belt cover:

5° ± 1° BTDC at 750 ±50 RPM in Park or Neutral with parking brake applied.

2. If adjustment is required, loosen lock bolts and turn distributor as needed to align timing marks.
3. Tighten lock bolts to 19 - 25 Nm (14 - 19 ft lb).
4. Remove jumper wire from diagnostic connector and disconnect timing light.