Sinotruk Electrical Diagram - EGR Engine ECU Peripheral Circuit
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| S6/20 | ECU diagnostic switch |
| B91 | Intake pressure temperature sensor |
| B92 | Water temperature sensor |
| B93 | Pre-travel sensor |
| B94 | Throttle position sensor |
| B95 | Speed sensor |
| X80 | Diagnostic interface |
| MR | Pre-travel motor |
| JC1 | Detection connector 1 |
| JC2 | Detection connector 2 |
| B90 | EGR solenoid valve assembly |
| YM | Oil pump solenoid valve |
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