TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
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EM/Engine Mechanical18 / 139
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IGNITION TIMING INSPECTION AND ADJUSTMENT (2JZ–GE) — MK4 Supra Engine Mechanical, page 18
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EG–18 ENGINE – ENGINE MECHANICAL Seal Packing 9. REINSTALL NO.1 AND NO.2 CYLINDER HEAD COVERS (a) Remove any old packing (FIPG) material. (b) Apply seal packing to the cylinder head as shown in the illustration. Seal packing: Part No. 08826–00080 or equivalent (c) Install the gaskets to the No.1 and No.2 cylinder head covers. (d) Install the 12 seal washers to the bolts. (e) Install the No.2 cylinder head cover with the 6 bolts, 4 seal washers and 4 nuts. Torque: 5.4 N·m (55 kgf·cm, 48 in.·lbf) (f) Install the No.1 cylinder head cover with the 6 bolts, 4 seal washers and 4 nuts. Torque: 5.4 N·m (55 kgf·cm, 48 in.·lbf) (g) Connect the 2 PCV hoses to the cylinder head covers. (h) Install the bolt holding the VSV to the turbo outlet duct. (i) Connect the cruise control actuator cable to the cable bracket. 10. RECONNECT ENGINE WIRE PROTECTOR TO NO.4 TIMING BELT COVER 11. REINSTALL IAC VALVE PIPE 12. RECONNECT ENGINE WIRE PROTECTOR TO COWL TOP PANEL 13. REINSTALL IGNITION COILS ASSEMBLIES (See ignition coils installation in Ignition System) IGNITION TIMING INSPECTION AND ADJUSTMENT (2JZ–GE) 1. WARM UP ENGINE Allow the engine to warm up to normal operating temperature. IG ⊖ Tachometer DLC1 Battery 2. CONNECT TACHOMETER AND TIMING LIGHT Connect the tester probe of a tachometer to terminal IG ⊖ of the DLC1. NOTICE: • Never allow the tachometer terminal to touch ground as it could result in damage to the Igniter and/or ignition coil. • As some tachometers are not compatible with this ignition system, we recommend that you confirm the compatibility of your unit before use.