Vanguard 25E300 Manuals

Manuals and User Guides for Vanguard 25E300. We have 3 Vanguard 25E300 manuals available for free PDF download: Repair Manual, Operator's Manual

Vanguard 25E300 Repair Manual

Vanguard 25E300 Repair Manual (104 pages)

Brand: Vanguard | Category: Engine | Size: 5.82 MB

Table of Contents

3 Section 3 - Troubleshooting Dtcs

14
- Table of Contents
  14
- Diagnostic Trouble Codes (Dtcs)
  17
- Model 25E300 Efi Component Locations
  18
- Preliminary Instructions
  19
- Can Bus Troubleshooting
  19
- Check Voltages
  19
- Check Waveforms
  20
- Test Procedures
  21
- Verify Engine Control Module (Ecm) Powers up
  22
- Circuit Description - ECM Power
  22
- Check ECM Power and Ground
  22
- ECM Connector Loom Cover Removal
  23
- Spn 51 Throttle Position Sensor (Tps)
  24
- Circuit Description
  24
- Possible Fmis - SPN 51
  24
- Spn 91 Speed Lever
  25
- Circuit Description
  25
- Possible Fmis - SPN 91
  25
- Speed Vs Voltage Table
  26
- SPN 91, FMI 3: Signal Voltage High
  27
- SPN 91, FMI 4: Signal Voltage Low/Open
  28
- SPN 98, FMI 1: Low Oil Level Error
  29
- Circuit Description
  29
- Possible Fmis
  29
- Spn 98 Low Oil Level
  29
- Spn 102 Manifold Absolute Pressure Sensor (Map)
  30
- Circuit Description
  30
- Possible Fmis - SPN 102
  30
- SPN 102, FMI 3: Signal Voltage High
  31
- SPN 102, FMI 4: Signal Voltage Low/Open
  31
- Spn 105 Intake Air Temperature Sensor (Iat)
  32
- Circuit Description
  32
- Possible Fmis - SPN 105
  32
- SPN 105, FMI 3: Signal Voltage High/Open
  33
- SPN 105, FMI 4: Signal Voltage Low
  33
- Spn 110 Engine Head Temperature Sensor (Eht)
  34
- Circuit Description
  34
- Possible Fmis - SPN 110
  34
- SPN 110, FMI 3: Voltage High/Open
  35
- SPN 110, FMI 4: Voltage Low
  35
- Spn 158 Ignition Key Voltage
  36
- Circuit Description
  36
- Possible Fmis - SPN 158
  36
- SPN 158, FMI 3: Voltage High
  36
- SPN 158, FMI 4: Voltage Low
  37
- Spn 168 Battery Voltage
  38
- Circuit Description
  38
- Possible Fmis - SPN 168
  38
- SPN 168, FMI 3: Voltage High
  38
- SPN 168, FMI 4: Voltage Low
  39
- Spn 190 Engine Overspeed Detection
  40
- Circuit Description
  40
- Possible Fmis - SPN 190
  40
- SPN 633, FMI 11: Vapors Detected in FDI During CRANKING State
  41
- SPN 633, FMI 8: Vapors Detected in FDI During RUN State
  41
- Possible Fmis - SPN 633
  41
- Circuit Description
  41
- Spn 633 Vapor Detection in Fdi
  41
- Spn 636 Crankshaft Wrong Tooth Number
  42
- Circuit Description
  42
- Possible Fmis - SPN 636
  42
- SPN 636, FMI 2: Not Enough Teeth Detected
  42
- Spn 637 Missing Crank Sensor (Ckp)
  43
- Circuit Description
  43
- Possible Fmis - SPN 637
  43
- SPN 637, FMI 7: Missing Crank Sensor Signal
  43
- Possible Fmis - SPN 639
  44
- Circuit Description
  44
- Spn 639 Can Bus Offline
  44
- Spn 651 Fuel Injector
  45
- Circuit Description
  45
- Possible Fmis - SPN 651
  45
- SPN 651, FMI 3: Voltage High/Open
  46
- SPN 651, FMI 4: Voltage Low
  47
- Spn 818 Voltage Protection
  48
- Circuit Description
  48
- Possible Fmis - SPN 818
  48
- SPN 818, FMI 3: Short 5V Supply High
  48
- SPN 818, FMI 4: Short 5V Supply Low
  49
- Spn 1110 Engine over Temperature for Maximum Allowed Time
  50
- Circuit Description
  50
- Possible Fmis - SPN 1110
  50
- SPN 1110, FMI 0: Head over Temperature
  50
- Spn 1268 Cylinder 1 Ignition Coil
  51
- Circuit Description
  51
- Possible Fmis - SPN 1268
  51
- SPN 1268, FMI 3: Short to High/Open
  52
- SPN 1268, FMI 4: Short Low
  53
- SPN 1569, FMI 16: Head over Temperature
  54
- Circuit Description
  54
- Possible Fmis - SPN 1569
  54
- Spn 1569 Engine over Temperature While Running
  54
- Spn 5419 Electronic Throttle Control (Etc)
  55
- Circuit Description
  55
- Possible Fmis - SPN 5419
  55
- Spn 6805 Diagnostic
  56
- Circuit Description
  56
- Possible Fmis - SPN 6805
  56
- SPN 6805, FMI 16: Engine over Temperature
  56
- Possible Fmis - SPN 7753
  57
- Circuit Description
  57
- Spn 7753 Starter Motor Input Signal
  57
- SPN 7753, FMI 3: Input Signal Shorted High
  58
5 Section 5 - Symptoms and Troubleshooting Guide

63
- Introduction
  64
- Preliminary Instructions
  64
- Engine Does Not Crank
  65
- Engine Cranks but Does Not Start
  66
- Engine Is Hard to Start
  67
- Engine Power Output Low
  68
- Engine Hunts and Surges
  70
6 Section 6 - Removal and Installation

71
- Front Cover Panel
  73
- Front Cover Panel - Installation
  73
- Front Cover Panel - Removal
  73
- Preliminary Instructions
  73
- Air Cleaner Assembly
  74
- Air Cleaner Assembly - High Mount - Removal
  74
- Air Cleaner Assembly - High Mount - Installation
  75
- Air Cleaner Assembly - Low Mount - Removal
  75
- Air Cleaner Assembly - Low Mount - Installation
  76
- Blower Housing
  77
- Blower Housing - Installation
  77
- Blower Housing - Removal
  77
- Rewind Starter
  77
- Rewind Starter - Installation
  77
- Rewind Starter - Removal
  77
- Side Cover
  78
- Side Cover - Installation
  78
- Side Cover - Removal
  78
- Operator Panel
  79
- Operator Panel - Installation
  79
- Operator Panel - Removal
  79
- Fuel Tank
  80
- Fuel Tank - Removal
  80
- Fuel Tank - Installation
  81
- Fuel Hoses
  82
- Fuel Supply Hoses - Removal
  82
- Fuel Supply Hoses - Installation
  83
- Fuel Return Hose - Installation
  84
- Fuel Return Hose - Removal
  84
- Fuel Pump Pulse Hose - Installation
  85
- Fuel Pump Pulse Hose - Removal
  85
- Fuel Vent Hose - Removal
  85
- Fuel Vent Hose - Installation
  86
- Model 25E300 Fuel Hose Location and Routing - with Tank
  87
- Model 25E300 Fuel Hose Location and Routing - Tankless
  88
- Fuel Filter
  89
- Fuel Filter - Removal
  89
- Mechanical Fuel Pump
  89
- Mechanical Fuel Pump - Installation
  89
- Mechanical Fuel Pump - Removal
  89
- Fuel Filter - Installation
  90
- Fuel Injector
  90
- Fuel Injector - Removal
  90
- Fuel Injector - Installation
  91
- Update Fuel Injector Calibration
  92
- Electronic Throttle Control (Etc)
  93
- Electronic Throttle Control (ETC) - Installation
  93
- Electronic Throttle Control (ETC) - Removal
  93
- TMAP Sensor - Installation
  94
- TMAP Sensor - Removal
  94
- Ignition Coil
  95
- Ignition Coil - Installation
  95
- Ignition Coil - Removal
  95
- Spark Plug
  95
- Spark Plug - Installation
  95
- Spark Plug - Removal
  95
- Crankshaft Position Sensor (Ckp)
  96
- Crankshaft Position Sensor - Installation
  96
- Crankshaft Position Sensor - Removal
  96
- Engine Head Temperature (EHT) Sensor - Installation
  96
- Engine Head Temperature (EHT) Sensor - Removal
  96
- Engine Head Temperature Sensor (Eht)
  96
- Wire Harness
  97
- Wire Harness - Removal
  97
- Wire Harness - Installation
  98
- Engine Control Module (Ecm)
  99
- Engine Control Module (ECM) - Removal
  99
- Engine Control Module - Installation
  99

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Vanguard 25E300 Operator's Manual

Vanguard 25E300 Operator's Manual (33 pages)

Brand: Vanguard | Category: Engine | Size: 11.95 MB

Table of Contents

General Information
4
Recycling Information
4
Operation
5
Fuel Recommendations
5
Oil Recommendations
5
Maintenance Schedule
7
Electronic Fuel Injection (EFI) System
7
Servicing the Spark Plug
7
Troubleshooting
8
Power Ratings
9
Warranty
9
Información General
13
Seguridad del Operador
13
Información de Reciclaje
13
Operación
14
Arranque del Motor
15
Detención del Motor
15
Luz de Comprobación del Motor
15
Mantenimiento
16
Mantenimiento del Filtro de Aire
17
Renseignements Généraux
22
Information Sur le Recyclage
22
Caractéristiques et Commandes
22
Vérifier le Niveau D'huile
23
Recommandations de Carburant
23
Démarrer le Moteur
24
Arrêter le Moteur
24
Calendrier D'entretien
25
Entretien du Filtre à Air
26
Garantie
27

Vanguard 25E300 Operator's Manual

Vanguard 25E300 Operator's Manual (60 pages)

Brand: Vanguard | Category: Engine | Size: 13 MB

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