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一辆丰田佳美3.0乘用车(装备3VZ—FE 发动机)到我厂维修。该车的故障现象为:起动困难,加速性能差;当开空调加速时,发动机易熄火;故障指示灯亮。该车曾在多家厂维修过,更换过火花塞、点火线圈和喷油器等,但该故障未能排除。因故障指示灯点亮,首先调取故障代码。跨接诊断连接器端子 E1和端子 TE1,接通点火开关,调得的故障代码为22、31、52、53和55。清除故障代码后起动该车,结果起动了七八次发动机才着火。进行路试,发现确实存在上述故障现象。重新调取故障代码,还是上述5个故障代码。
A Toyota Camry 3.0 passenger car (equipped with 3VZ-FE engine) to my factory maintenance. The car’s symptoms are: start difficult, poor acceleration performance; when open air conditioning acceleration, the engine flame easily; fault indicator light. The car has been repaired in a number of factories, replacement of spark plugs, ignition coils and injectors, etc., but the failure can not be ruled out. The fault indicator light, first call fault code. Connect diagnostic connector terminal E1 and terminal TE1 and turn on the ignition switch. The adjusted fault codes are 22, 31, 52, 53 and 55. After clearing the fault code to start the car, the result started seven or eight times before the engine was on fire. Road test, found that the existence of the above symptoms. Recall the fault code, or the above five fault code.