Briggs & Stratton VANGUARD 810 EFI Repair Manual page 40

36
DTC P0122 Throttle Position Sensor (TPS)
Step
1. Select the Dashboard ribbon and then the Sensors
tab.
2. Under Position Sensor heading, observe TPS Raw
1
Voltage display with or without the engine running.
3. Is reading 0.5-4.5 volts DC?
2 Is reading below 0.5 volts DC?
Scan Diagnostics
Action
Figure 2-24 Check TPS Raw Voltage Display.
Section 2: Troubleshooting DTCs
Yes
TPS circuit OK.
Go to DTC P0122
Non-Scan
Diagnostics.
No
Go to step 2.
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