2002 Mazda B2300 StandardFACTORY OEM SERVICE PROCEDURE

Ignition Timing: 626

  1. Connect NGS scan tool to DLC-2 located under left side of instrument panel, left of steering column. See Fig 1 and Fig 4 . Ensure idle speed is correct. See IDLE SPEED & MIXTURE  .
  2. Connect timing light to high-tension lead No. 1 and check timing. See Fig 5 . See IGNITION TIMING SPECIFICATIONS  table. If ignition timing is not within specification, check CMP, CKP, TP and ECT sensors, neutral, clutch and transmission range switches. See SYSTEM & COMPONENT TESTING - MIATA, MILLENIA, MPV, PROTEGE, PROTEGE5 & 626 article. If all sensors and switches are okay, replace PCM.
IGNITION TIMING SPECIFICATIONS (DEGREES BTDC @ RPM)

Application With Ten Terminal Grounded Without Ten Terminal Grounded
Miata 9-11 @ 750-850 6-18 @ 750-850
Millenia
2.3L 6-8 @ 600-700 5-15 @ 600-700
2.5L 9-11 @ 600-700 6-18 @ 600-700
MPV 4-16 @ 700-800
S		 N/A
Protege & Protege5 9-11 @ 650-750 6-18 @ 650-750
626
2.0L
A/T N/A 6-18 @ 500-800)
M/T N/A 6-18 @ 550-850
2.5L N/A 4-16 @ 550-750
Fig 1: Locating DLC-2 (Except Miata, MPV, Protege & Protege5)
G95G32280Courtesy of MAZDA MOTORS CORP.
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