ABCDE F G H
1
3
2
4
ABCDE F G H
1
3
2
4
ABC D E F GH JK L M
1
3
2
4
ECU 300 (Black)
ECU 100 (Grey)
A1 Throttle Position Sensor 1
B4 Throttle Position Sensor 2
B1 Ground Reference
C1 TPS Supply Voltage
H1 Throttle Valve Negative Terminal
G1
Throttle Valve Positive Terminal
13
2
FUEL INJECTION / IGNITION / EXHAUST SYSTEMS
5.152004 Four Stroke PWC Service Manual
Electronic Throttle Body Circuit
Circuit Trouble Codes
P -- Code Description Summary
P0120 Throttle Position Sensor: Plausibility Error Indicates the readings from the two TPS sensors do not agree.
P0122 Throttle Position Sensor: Open or Short to
Ground
Indicates an open, or short to ground condition in one of the TPS
signal circuits.
P0123 Throttle Position Sensor: Short to Battery Indicates a short to battery voltage condition in one of the TPS
signal circuits.
P1601 Throttle Valve Learning: Position Out of Range Indicates the low mechanical position during learning was out of
range.
P1602 Throttle Valve Learning: Conditions Not Met Indicates environmental conditions during learning were out of
range.
P1603 Throttle Valve Learning: Signal Error Indicates the throttle valve was not able to move far enough to
complete the learning process.
P1604 Throttle Valve Learning: Battery Voltage Too Low Battery voltage was too low to complete the learning process.
P1900 Throttle V alve Servo: Plausibility Error The throttle valve servo is unable to reach the desired throttle
valve opening.
P1901 Throttle Valve Servo: Setting Out of Range (Low) The throttle valve servo is unable to reach the desired throttle
valve opening.
P1902 Throttle Valve Servo: Setting Out of Range
(High)
The throttle valve servo is unable to reach the desired throttle
valve opening.
P1903 Throttle Valve Servo: Signal Error The throttle valve servo is unable to reach the desired throttle
valve opening.
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