JAC HFC4DA1-2C - Page 173

Maintenance manual for sunray hfc4da1-2c china-IV diesel engines
174
Fault Tree:
检查空气流量计接插件
做必要的修理
接插件问题 做必要的修理
检查ECU接插件
接插件问题
检查连续性和绝缘性
Y
N
Y
N
电气问题
Y
修理线束
更换空气流量计
N
问题仍否存在
Y
联系技术支持
Get the Technical Support.
Repair the harness.
Repair accordingly.
Repair accordingly.
Check air flow meter connectors.
Connector fault
Check ECU connectors.
Does the problem still exist?
Connector fault
Electrical fault
Check for continuity and insulating property.
Replace air flow meter.