Diagnostic Trouble Code Tests: Notes
WARNING: This page is about a different car, the 1996 Mazda B4000, 1996 Mazda B3000, and 1996 Mazda B2300. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
A breakout box, connected to vehicle harness at PCM, is necessary to perform most tests. References to Test Pin No. found in diagnostic trouble code chart steps refer to test terminals on manufacturer's breakout box. See WIRING DIAGRAMS to identify circuits and wire colors.