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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Automatic Transaxle

WARNING:
^ Before performing this test, unplug injector harness connector.
^ Do not disconnect distributor 6-pin connector.

1. Remove distributor. Connect 4-pin connector.
2. Connect Mazda SST Engine Signal Monitor and Adapter Harness (or aftermarket equivalents).
3. Turn ignition "ON" and measure output voltage while turning distributor drive by hand.
4. NE signal voltage should pulse between 0V and approximately 5V four times per distributor revolution. It is measured at PCME terminal 24.
5. G signal voltage should pulse between 0V and approximately 5V once per distributor revolution. It is measured at PCME terminal 56.
6. After inspection, install distributor and set timing to 9 - 11° BTDC. Tighten mounting bolt to 14 - 18 ft lb (19 - 25 Nm).