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Vanguard EFI 380000
Briggs & Stratton Vanguard EFI 380000 Manuals
Manuals and User Guides for Briggs & Stratton Vanguard EFI 380000. We have
1
Briggs & Stratton Vanguard EFI 380000 manual available for free PDF download: Repair Manual
Briggs & Stratton Vanguard EFI 380000 Repair Manual (100 pages)
Diagnostic and Repair
Brand:
Briggs & Stratton
| Category:
Engine
| Size: 5 MB
Table of Contents
Section 1 - Diagnostic Introduction
7
Table of Contents
7
Diagnostic Introduction
8
On-Board Diagnostic (OBD) System Check
8
Diagnostic Trouble Codes (Dtcs)
8
Malfunction Indicator Lamp (MIL)
8
Data Link Connector (DLC)
8
Non-Scan Diagnostics
8
Scan Diagnostics
8
Install Service Power Supply Harness
9
Use MIL to Read Dtcs
9
Use Tiny Scan Code Reader to Read/Clear Dtcs
9
Avoid ECM Damage
10
Back Probe Connector Terminals
10
Use Diagnostic Tool to Read/Clear Dtcs
10
Special Tools
11
Section 2 - Troubleshooting Dtcs 2
13
Diagnostic Trouble Codes (Dtcs)
15
Model 380000 Efi Component Locations
16
Check ECM Power and Grounds (Non-Scan Diagnostics)
17
Circuit Description
17
Verify Ecm Powers up
17
Circuit Description
18
Diagnostic Aids
18
Dtc P0107/P0108 Manifold Absolute Pressure (Map) Sensor
18
DTC P0107 Signal Voltage Low (Scan Diagnostics)
19
DTC P0107 Signal Voltage Low (Non-Scan Diagnostics)
20
DTC P0108 Signal Voltage High (Scan Diagnostics)
22
DTC P0108 Signal Voltage High (Non-Scan Diagnostics)
23
Circuit Description
24
Diagnostic Aids
24
Dtc P0112/P0113 Manifold Air Temperature (Mat) Sensor
24
DTC P0112 Signal Voltage Low (Scan Diagnostics)
25
DTC P0112 Signal Voltage Low (Non-Scan Diagnostics)
26
DTC P0113 Signal Voltage High (Scan Diagnostics)
28
DTC P0113 Signal Voltage High (Non-Scan Diagnostics)
29
Circuit Description
30
Diagnostic Aids
30
Dtc P0117/P0118 Engine Head Temperature (Eht) Sensor
30
DTC P0117 Signal Voltage Low (Scan Diagnostics)
31
DTC P0117 Signal Voltage Low (Non-Scan Diagnostics)
32
DTC P0118 Signal Voltage High (Scan Diagnostics)
33
DTC P0118 Signal Voltage High (Non-Scan Diagnostics)
34
Circuit Description
35
Diagnostic Aids
35
Dtc P0201/P0262 Throttle Body Fuel Injector Fault
35
DTC P0201/P0262 Driver Circuit Open, Grounded or Shorted to B+ (Non-Scan Diagnostics)
36
Circuit Description
38
Diagnostic Aids
38
Dtc P0230 Fuel Pump Module Fault
38
DTC P0230 Signal Voltage Low, Open or High (Non-Scan Diagnostics)
39
Circuit Description
40
Diagnostic Aids
40
Dtc P0351/P0352 Cylinder 1 or Cylinder 2 Ignition Coil Fault
40
DTC P0351 Cylinder 1 Ignition Coil Circuit Open or Grounded (Non-Scan Diagnostics)
41
DTC P0352 Cylinder 2 Ignition Coil Circuit Open or Grounded (Non-Scan Diagnostics)
43
Circuit Description
45
Dtc P0506/P0507/P2102 Throttle Actuator Motor Fault
45
DTC P0506/P0507 Throttle Actuator Motor RPM Low or High (Non-Scan Diagnostics)
46
DTC P2102 Throttle Actuator Motor Driver Circuit Open or Grounded (Non-Scan Diagnostics)
48
Circuit Description
49
Diagnostic Aids
49
Dtc P0520/P0524 Engine Oil Pressure Switch Fault
49
DTC P0520 Engine Oil Pressure Switch Circuit Open or Grounded (Non-Scan Diagnostics)
50
DTC P0524 Engine Low Oil Pressure (Non-Scan Diagnostics)
51
Circuit Description
52
Diagnostic Aids
52
Dtc P0562/P0563 Ecm Output Supply Voltage
52
DTC P0562 System Voltage Low (Scan Diagnostics)
53
DTC P0562 ECM Output Supply Voltage Low (Non-Scan Diagnostics)
54
DTC P0563 System Voltage High (Scan Diagnostics)
56
DTC P0563 ECM Output Supply Voltage High (Non-Scan Diagnostics)
57
Circuit Description
59
Dtc P0661 Mat/Map Sensor Power Supply Voltage Low
59
DTC P0661 MAT/MAP Sensor Power Supply Voltage Low (Non-Scan Diagnostics)
60
Circuit Description
61
Dtc P1693/P1694 Tachometer Fault
61
DTC P1693/P1694 Tachometer Driver Circuit Open, Grounded, or Shorted to B+ (Non-Scan Diagnostics)
62
Section 4 - Symptoms
69
Introduction
70
Engine Does Not Crank
71
Engine Cranks but Does Not Start
72
Engine Exhibits Hard Start Symptoms
74
Engine Power Output Low
75
Engine Hunts and Surges
77
Ecm Connector Symptoms
80
Section 5 - Removal/Installation
83
Check/Relieve Fuel System Pressure
84
Safety Precautions
84
Air Cleaner Assembly
87
Blower Housing
87
Fuel Pump Module Cover
87
Model 380000 Fuel System Components
87
Ecm
89
Fuel Filter
89
Ignition Coil
89
MAP/MAT Sensor
89
Mechanical Diaphragm Fuel Pump
89
Fuel Pump Module
90
Fuel Rail/Fuel Injector
91
Throttle Actuator Motor
91
EHT Sensor
92
EFI Wire Harness
93
Mechanical Diaphragm Fuel Pump for Model 380000
97
Volumetric Test
97
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