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The Buckle Pretensioner circuit consists of the SRSCM and two Buckle Pretensioners (BUPT). The SRSCM sets above DTC(s) if it detects that the resistance of BUPT squib is too high or low. DTC DETECTING CONDITION SCHEMATIC DIAGRAM SPECIFICATION BUPT resistance : 1.5 <= R <= 5.7 Ohm TERMINAL & CONNECTOR INSPECTION 1. Visually inspect all connectors related to the affected circuit for damage and secure connection. 2. Inspect terminals for damage and corrosion. CAUTION: Avoid damaging connectors during the inspection process. 3. Are any problems found? YES: Go to next step.

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Fig. 171: Removing Engine Cover Fig. 172: Disconnecting Battery 3. Disconnect the air flow sensor connector and the vacuum hose from the air intake hose. Fig. 173: Disconnecting Air Flow Sensor & Vacuum Hose 4. Remove the air cleaner assembly after removing the air intake hose clamp and fixing bolt (3ea). 5. Disconnect the crank angle sensor connector, the cam angle sensor connector, the injector harness connector, the power steering switch connector, the variable intake motor connector (2ea), the accelerator position sensor connector and the EGR solenoid connector. Fig. 174: Disconnecting Engine Sensors and Injector Harness Fig. 175: Disconnecting Injector Connector 7. Disconnect the throttle position sensor connector, the ETS (Electronic throttle system) motor connector, the limp-home connector and the purge solenoid valve connector.

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Air Quality Sensor At center front of engine compartment. Camshaft Position Sensor On rear of cylinder head. See Fig. 1 . Chassis Acceleration Sensor At right rear side of engine compartment. Crankshaft Position Sensor On left front side of transaxle. See Fig. 1 . Engine Coolant Temperature On top rear of engine, near thermostat. See Fig. 1 . Sensor Fuel Tank Unit On top of fuel tank, below rear seat cushion. Hot Film Airflow Sensor On end of air intake hose, at air cleaner housing. See Fig. 1 . Knock Sensor Near center rear of engine compartment, on intake manifold support bracket. O2 Sensor (Down) On front exhaust pipe, downstream of warm-up TWC converter. O2 Sensor (Up) On exhaust manifold, upstream of warm-up TWC converter. Speed Sensor On top of transaxle. Thermocon Behind glove box, on HVAC assembly. See Fig. 2 . Throttle Position Sensor On throttle body. See Fig. 1 . Turbine Sensor (A/T) On top rear of transaxle. Wheel Speed Sensor (Left Front) Attached to left front hub spindle. Wheel Speed Sensor (Left Rear) Attached to left rear hub spindle. Wheel Speed Sensor (Right Attached to right front hub spindle. Front) Wheel Speed Sensor (Right Rear) Attached to right rear hub spindle.

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COMPONENT DISASSEMBLY 1. Drain the coolant and disconnect the upper radiator hose. 2. Remove the breather hose (between the air cleaner and the head cover). 3. Remove the air-intake hose. 4. Remove the vacuum hose, fuel hose and coolant hose 5. Remove the cables from the spark plugs. The cables should be removed by holding the boot portion. 6. Remove the ignition coil. 7. Remove the power steering oil pump and bracket. 8. Remove the intake manifold. 9. Remove the heat protector and exhaust manifold assembly. 10. Remove the coolant pump pulley and the crankshaft pulley. 11. Remove the timing belt cover. 12. Remove the timing belt tensioner pulley. 13. Remove the timing belt. 14. Remove the head cover and cam carrier assembly. 15. Remove the cylinder head assembly. The cylinder head bolts should be removed by using Special Tool, Cylinder Head Bolt Wrench, in the sequence as shown in the illustration in two or three steps. 16. Remove the gasket pieces from cylinder block top surface and cylinder head bottom surface. NOTE: Make sure that the gasket pieces do not fall in the engine INSPECTION 1. Clean all components. 2. Remove gasket fragments, dirt, oil, grease, carbon, moisture, residue, and other foreign materials. CYLINDER HEAD

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2. Loosen power steering lock bolts and nuts accordingly and remove tension from Power Steering (P/S) and/or Air Conditioning (A/C) compressor drive belt. 3. Remove P/S and/or A/C drive belt. 4. Loosen generator mounting bolts and adjusting bolt. 5. Remove generator bolts. 6. Remove water pump pulley. 7. Remove crankshaft pulley and timing belt guide plate. 8. Remove upper and lower timing belt covers. 9. Turn crankshaft so that timing mark on timing belt pulley is aligned with timing mark on engine.10. Check that “I” mark on intake camshaft pulley is aligned with mark on cylinder head cover and “E” mark on exhaust camshaft pulley is aligned with mark on cylinder head cover. NOTE: Do not move camshaft or crankshaft once timing marks have been correctly positioned. 11. Loosen tensioner pulley lock bolt. 12. Protect timing belt with a rag. 13. Remove tensioner pulley. 14. Remove timing belt. NOTE: Mark the direction of timing belt rotation (on the timing belt) for proper reinstallation. INSPECTION NOTE: Never forcefully twist, turn inside out or bend timing belt. Do not allow oil or grease to come in contact with timing belt. 1. Replace timing belt if it is contaminated with oil or grease.