7-9
CARB
––
–
Gy/B
G/Y
R/Y
31
2
SDN7160
CARBURETORS
THROTTLE POSITION SENSOR (TPS)
INSPECTION AND ADJUSTMENT
NOTE:
Before adjusting the TPS, properly adjust the idle
speed.
1.Inspect:
• TPS
Inspection steps:
• Disconnect TPS coupler.
• Connect the pocket taster (Ω × 1k) to the TPS
coupler.
Tester (–) lead → Gray/Black terminal 1
Tester (+) lead → Red/Yellow terminal 2
• Check the TPS resistance.
TPS resistance “R1”:
4 ~ 6 kΩ at 20°C (68°F)
(Gray/Black - Red/Yellow)
Out of specification → Replace the TPS.
• Connect the pocket taster (Ω × 1k) to the TPS
coupler.
Tester (–) lead → Gray/Black terminal 1
Tester (+) lead → Green/Yellow terminal 3
• While slowly pushing the throttle check the
TPS resistance.
TPS resistance “R2”:
0 ~ 5 kΩ at 20°C (68°F)
(Gray/Black - Green/Yellow)
Out of specification → Replace the TPS.