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Geely Emgrand X7. Manual part - 74
2.2.7.48 DTC P0685 1. DTC description: DTC P0685 Main Relay Malfunction Main relay is used to provide power to fuel injectors and oxygen sensors and other components. 2. Conditions For Setting DTC and The Fault Location: DTC DTC Detection Conditions For Setting The DTC Fault Locations P0685 Main Relay The main relay control circuit does 1. Main Relay 2. Main Relay Circuit 3. ECM 3. Circuit sketch 主继电器ER09 蓄电池 点火开关 EF22 EF40 EF35 EF14 EF16 IF33 MAIN PWR EM01 B+ 68 67 5 EM01 IG+ EM01 MPR 44 EM01 GND 3 EM01 GND 2 EM01 30 87 85 86 5 6 NL02-0060c
4. Diagnostic Steps: 1 Appearance Inspection Inspect main relay for signs of damage.
Yes Replace main relay ,go to steps10 No Ignition switch Main relay ER09 Battery Engi ne co ntr ol mo dul e 295 |