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1、2GR-FE IGNITION IGNITION SYSTEMIG1IGENGINE2GR-FE IGNITIONIGNITION SYSTEMPARTS LOCATIONECMENGINE ROOM R/BIGNITION COILNOISE FILTERNOISE FILTER- IG2 FUSE- ST/AM FUSEA137458E01IG22GR-FE IGNITION IGNITION SYSTEMIGSYSTEM DIAGRAMIG2IG2ST/AM2AM253IGT1+BIGFGND651213C55 IGT14042IGT2+BIGFGND13C55 IGT23942IGT3
2、+BIGFGND13C55 IGT33842IGT4+BIGFGND13C55 IGT43742IGT5+BIGFGND1113C55 IGT53642IGT6+BIGFGND13C55 IGF1106C55 IGT63542From BatteryFrom BatteryE23 Ignition SwitchC12 Ignition Coil (No. 3)C14 Ignition Coil (No. 4)C38 Ignition Coil (No. 5)C39 Ignition Coil (No. 6)C16 Noise Filter (Ignition RH)C49 Noise Filt
3、er (Ignition LH)C13 Ignition Coil (No. 2)C11 Ignition Coil (No. 1)ECMIG2E611E6 Main Body ECU *1IG2D*2*2*1: with Smart Key System*2: without Smart Key SystemA136999E012GR-FE IGNITION IGNITION SYSTEMIG3IGON-VEHICLE INSPECTIONNOTICE: In this section, the terms “cold“ and “hot“ refer to the temperature
4、of the coils. “Cold“ means approximately - 10C (14F) to 50C (122F). “HOT“ means approximately 50C (122F) to 100C (212F).1.INSPECT IGNITION COIL ASSEMBLY (a)Check for DTCs. NOTICE: If any DTC is present, perform troubleshooting in accordance with the procedures for that DTC. (b)Check that sparks occu
5、r. (1)Remove the intake air surge tank (See page FU-13). (2)Remove the No. 1 surge tank stay (see page IG-10).(3)Disconnect the 6 ignition coil connectors and remove the 6 bolts and 6 ignition coils.(4)Using a 16 mm (0.63 in.) plug wrench, remove the 6 spark plugs.(5)Disconnect the 6 fuel injector c
6、onnectors. (6)Install the spark plugs to each ignition coil, and connect the ignition coil connectors.A133896A137604A133895IG42GR-FE IGNITION IGNITION SYSTEMIG(7)Ground the spark plugs. (8)Check if a spark occurs at each spark plug while the engine is being cranked. NOTICE: Be sure to ground the spa
7、rk plugs when checking. Replace the ignition coil if it receives an impact. Do not crank the engine for more than 2 seconds. (c)Perform the spark test according to the flowchart below. (1)Check that the ignition coil connector is securely connected. Result(2)Perform a speak test on each ignition coi
8、l. 1. Replace the ignition coil with a normal one. 2. Perform the spark test again. Result(3)Check the power supply to the ignition coil. 1. Turn the ignition switch on (IG). 2. Check that there is battery voltage at the ignition coil positive (+) terminal. Result(4)Check the VVT sensor output volta
9、ge. Result(5)Measure the resistance of the crankshaft position sensor. Standard resistanceA133897ResultProceed toNGConnect securelyOKGo to next stepResultProceed toOKReplace ignition coilNGGo to next stepResultProceed toNGCheck wiring between ignition switch and ignition coilOKGo to next stepResultP
10、roceed toNGCheck that there is resistance between ECM and VVT sensor. If there is no resistance, replace VVT sensor. If there is resistance, repair wiring between VVT sensor and ECM.OKGo to next stepTemperatureSpecified ConditionCold1,630 to 2,740 Hot2,065 to 3,225 2GR-FE IGNITION IGNITION SYSTEMIG5
11、IGResult(6)Check the IGT signal from the ECM. Result(d)Using a 16 mm (0.63 in.) plug wrench, install the spark plugs. Torque: 18 N*m (184 kgf*cm, 13 ft.*lbf) (e)Install the 6 ignition coils with the 6 bolts and connect the 6 ignition coil connectors. Torque: 7.5 N*m (76 kgf*cm, 66 in.*lbf) (f)Connec
12、t the 6 fuel injector connectors. (g)Install the No. 1 surge tank stay (See page IG-11). (h)Install the intake air surge tank (See page FU-18).2.INSPECT SPARK PLUG NOTICE: Never use a wire brush for cleaning. Never attempt to adjust the electrode gap on a used spark plug.(a)Check the electrode. (1)U
13、sing a megohmmeter, measure the insulation resistance. Standard insulation resistance: 10 M or higher HINT: If the result is 10 M or less, clean the plug and measure the resistance again. If a megohmmeter is not available, perform the following simple inspection instead. (b)Alternative inspection me
14、thod: (1)Quickly accelerate the engine to 4,000 rpm 5 times. (2)Remove the spark plugs. (3)Visually check the spark plug. If the electrode is dry, the spark plug is functioning properly. If the electrode is damp, proceed to the next step. (c)Check the spark plug for any damage to its threads and ins
15、ulator. If there is damage, replace the spark plug. Require spark plugResultProceed toNGReplace crankshaft position sensorOKGo to next stepResultProceed toNGCheck ECM (See page ES-234)OKRepair wiring between ignition coil and ECMGroundI039522E10ManufacturerSpark plug typeDENSO madeFK20HR11IG62GR-FE
16、IGNITION IGNITION SYSTEMIGNOTICE: Use only the listed spark plug or equivalent to ensure engine performance and smooth driveability.(d)Check the spark plug electrode gap. Maximum electrode gap for used spark plug: 1.4 mm (0.055 in.) If the gap is greater than the maximum, replace the spark plug. Electrode gap for new spark plug: 1.0 to 1.1 mm (0.039 to 0.043 in.)(e)Clean the spark plugs. If the electrode has tr
