Ignition Checks: Notes

WARNING: This page is about a different car, the 1994 Mazda Navajo and 1994 Mazda B4000. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION: While performing diagnostics, DO NOT connect Powertrain Control Module (PCM) to breakout box unless directed to do so.

NOTE: Perform following tests in sequence shown, unless test procedures indicate otherwise. For the following test, Electronic Distributorless Ignition System (EDIS) or Ignition Control Module (ICM) may be used to describe the ignition system.

NOTE: California models are equipped with a Camshaft Position Sensor (CMP). This sensor uses a Hall Effect switch and is located at top rear of engine. For testing information, see appropriate G - TESTS W/ CODES article in the ENGINE PERFORMANCE section:

TESTS W/CODES (for B4000)
TESTS W/CODES (for Navajo)