Kohler KG2204 Service page 80

40A
To TMAP
N1
sensor
1
N2
2
40B
3
ETC
4
5
6
80 Electrical System and Sensor Troubleshooting
104
P27-104, ETC–
112
P27-112, ETC–
N
P26-70, Sensor ground
40
P26-40, Sensor +5V
105
P27-105, ETC+
113
P27-113, ETC+
15
P26-15, TPS2
34
P26-34, TPS1
ECM
Figure 4-29 TP Sensor Wiring Diagram
The ECM monitors feedback from the electronic
throttle control (ETC) through leads TPS1 and TPS2.
The ECM controls the signal through leads ETN and
ETP to adjust the throttle position and maintain the
programmed engine speed.
Closed
TPS1 0V
TPS2 5V
Refer to Figure 4-29 and follow the steps in the
troubleshooting chart to check the throttle position
sensors TPS1 and TPS2. Verify that:

The TP sensor is working correctly and is not
damaged.

The sensor leads have continuity (no open
circuits).

The sensor leads are not shorted.
Partially Open Fully Open
Between 5V
0V–5V
Between 0V
5V–0V
TP-6903 5/16a