Briggs & Stratton BIG BLOCK EFI, Repair Manual

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Section 2: Troubleshooting DTCs 9
Page
Diagnostic Trouble Codes (DTCs) ........................................................................ 11
Model 490000 EFI Component Locations ............................................................. 12
Models 540000/610000 EFI Component Locations .............................................. 13
Verify ECM Powers Up .......................................................................................... 14
P0031/P0032 Oxygen Sensor (HO2) Heater ........................................................ 16
P0031
Scan and Non-Scan Diagnostics .......................................................................... 17
P0032
Scan and Non-Scan Diagnostics ........................................................................... 18
P0107/P0108 Manifold Absolute Pressure (MAP) Sensor ..................................... 19
P0107
Scan Diagnostics ................................................................................................... 20
Non-Scan Diagnostics ........................................................................................... 21
P0108
Scan Diagnostics ................................................................................................... 23
Non-Scan Diagnostics ........................................................................................... 24
P0112/P0113 Manifold Air Temperature (MAT) Sensor ......................................... 25
P0112
Scan Diagnostics ................................................................................................... 26
Non-Scan Diagnostics ........................................................................................... 27
P0113
Scan Diagnostics ................................................................................................... 28
Non-Scan Diagnostics ........................................................................................... 29
P0117/P0118 Engine Head Temperature (EHT) Sensor ....................................... 30
P0117
Scan Diagnostics ................................................................................................... 31
Non-Scan Diagnostics ........................................................................................... 32
P0118
Scan Diagnostics ................................................................................................... 33
Non-Scan Diagnostics ........................................................................................... 34
P0122/P0123 Throttle Position Sensor (TPS) ...................................................... 35
P0122
Scan Diagnostics ................................................................................................... 36
Non-Scan Diagnostics ........................................................................................... 37
P0123
Scan Diagnostics ................................................................................................... 38
Non-Scan Diagnostics ........................................................................................... 39
P0131/P0132 Heated Oxygen (HO2) Sensor ....................................................... 40
P0131
Scan Diagnostics ................................................................................................... 41
Non-Scan Diagnostics ........................................................................................... 42
P0132
Scan Diagnostics ................................................................................................... 43
Non-Scan Diagnostics ........................................................................................... 44
Section 2
Troubleshooting DTCs