别克新君威空调制冷故障诊断与排除

Troubleshooting on Air-conditioner Malfunction on Buick New Regal

以空调系统不制冷故障为案例,介绍上汽通用别克新君威轿车空调系统原理。通过分析制冷系统的工作原理与电路控制策略,运用故障诊断流程,对故障进行合理分析并判断,并进行检修排查,最终确认为接线器线路故障所致。从而避免了拆装原件等多工时且无成效的工作环节,提高了工作效率。

Based on the case of A/C malfunction, This article introduces A/C system principals of Buick New Regal. Through analyzing the cooling system working principal and circuit control strategy, using fault diagnosis procedures, the issue is identified and solved. The root cause is found to be the connector fault. Using this method, time-consuming processes like disassembling parts can be avoided, which improves the work efficiency.