LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Suzuki >> 2003 >> XL-7 Base, RWD >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Diagnostic Information and Procedures >> Ignition Spark Check
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Ignition Spark Check

WARNING: Without disconnection of injector coupler, combustible gas may come out from spark plug holes during this test and may get ignited in engine room.
  1. Remove surge tank cover.
  2. Disconnect injector coupler (1).
  3. Remove spark plug and check it for condition and type, referring to Spark Plug Inspection  .
  4. If OK, connect ignition coil coupler to ignition coil assembly and connect spark plug to ignition coil assembly. Ground spark plug.
  5. Crank engine and check if each spark plug sparks. If no spark is emitted, inspect the related parts as described under Ignition System Symptom Diagnosis  .
  6. After checking, install spark plug referring to Spark Plug Removal and Installation Removal  .
  7. Connect injector coupler (1).
    Fig 1: Connecting Injector Coupler
    G01375318Courtesy of SUZUKI OF AMERICA CORP.
  8. Install surge tank cover.
scientia non olet · About LEMON Manuals