|
|
SYMPTOM TROUBLESHOOTING [ENGINE CONTROL SYSTEM (ZM)] 01–03A–45 01–03A NO.22 VIBRATION CONCERNS (ENGINE) [ZM] A3U010318881W64 Diagnostic procedure End Of Sie NO.23 A/C DOES NOT WORK SUFFICIENTLY [ZM] A3U010318881W65 Diagnostic procedure 22 Vibration concerns (engine) DESCRIPTION • Vibration from under hood or driveline POSSIBLE CAUSE • Loose attaching bolts or worn parts • Components malfunction such as worn parts STEP INSPECTION ACTION 1 • Inspect following components for loose • Are all items okay? Yes Inspect following systems: • Wheels • Automatic transaxle • Driveline • Suspension No Readjust or retighten engine mount installation position. 2 • Verify test results. • If vehicle is repaired, troubleshooting completed. • If vehicle is not repaired or additional diagnostic information is not available, replace PCM. 23 A/C does not work sufficiently. DESCRIPTION • A/C compressor magnetic clutch does not engage when A/C switch is turned on. POSSIBLE CAUSE • Improper refrigerant charging amount • Open A/C magnetic clutch • Open circuit between A/C relay and A/C magnetic clutch • Poor GND of A/C magnetic clutch • Refrigerant pressure switch is stuck open. • A/C relay is stuck open. • Seized A/C compressor • Open circuit between A/C switch and PCM through both refrigerant pressure switch and A/C amplifier STEP INSPECTION ACTION 1 • Connect WDS or equivalent to DLC-2. • Turn ignition switch on. • Retrieve any DTC. • Is “DTC” displayed? Yes DTC is displayed: • Go to appropriate DTC test. No No DTC is displayed: • Go to next step. 2 • Disconnect A/C compressor connector. • Start engine and turn A/C switch on. • Is there correct voltage at terminal of A/C Specification Yes Inspect for GND condition of magnetic clutch on A/C • If GND condition is okay, inspect for open circuit of No Go to next step. 3 • Disconnect refrigerant pressure switch • Connect jumper wires between terminals of • Turn ignition switch on. • Turn A/C switch on and set blower fan at any • Does A/C work? Yes Inspect refrigerant pressure switch operation. • If switch is okay, go to next step. No Inspect for following: • A/C switch is stuck open. • Open circuit between refrigerant pressure switch and • Open circuit of blower motor fan switch and resister (if • Evaporator temperature sensor and A/C amplifier 4 • Remove jumper wires from switch connector. • Reconnect connector to refrigerant pressure • Start engine and turn A/C switch on. • Does fan operate? Yes Inspect for stuck open A/C relay. No Inspect following and repair or replace as necessary: • Refrigerant charging amount • A/C compressor for being seized 1712-1U-01G(01-03A).fm 45 ページ 2001年6月29日 金曜日 午後4時45分 |