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Spark Test - Supra 7M-GTE Engine

  1. Remove duct between air cleaner and intake plenum air connector. Disconnect cruise control, accelerator, and throttle cable (automatic transmission only).
  2. Remove 6 hoses from idle speed control pipe. Remove 2 bolts and idle speed control pipe from intake plenum air connector. Remove oxygen sensor wire from clamp. Disconnect hose from PCV pipe. Remove 2 bolts and disconnect PCV pipe with hoses from cylinder heads covers and throttle body.
  3. Disconnect hose from intake plenum air connector. Remove 2 bolts, loosen clamps, and remove intake plenum air connector. Remove oil filler cap, 5 nuts, and "TOYOTA TURBO" labeled ignition coil cover.
  4. Remove nut and disconnect No. 1 and No. 2 wires from ignition coil and clamp. Remove ignition coil, bracket, and spark plug wires. Remove No. 1 and No. 2 wires from spark plugs.
  5. Remove all spark plugs. Install oil filter cap. Remove spark plugs and spark plug wires. Attach spark plugs to wires and ground plugs. Disconnect solenoid resistor and cold start injector connector. Crank engine and check for spark.
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