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故障现象一辆奥迪A4L轿车,在正常行驶中,遇减速制动时仪表会提示点火开关故障,此现象在不平路面行驶时尤为明显,且每次都是在踩下制动踏板时出现。客户已第2次报修此故障。故障诊断使用VAS5051B查询故障代码,其中,01-发动机电子设备中存储有故障代码5464 P2535 00[32],其含义是点火开关/起动机开关电路对正极短路(偶发);46-带有ATA的舒适系统中央模块(J393)中存储有故障代码03305 006,含
Symptoms An Audi A4L sedan, in normal driving, deceleration gauge will prompt the ignition switch failure, this phenomenon is particularly evident when driving on uneven roads, and each time the brake pedal is depressed. The customer has repaired this fault for the second time. Fault diagnosis Use the VAS5051B to query the fault code, where fault code 5464 P2535 00 [32] is stored in the 01 -Engine electronics which means that the ignition switch / starter switch circuit is shorted to the positive (accidentally); 46- Fault code 03305 006 is stored in the comfort system central module (J393)