Dtc "C29" (P1654-H/L): Secondary Throttle Position Sensor (Stps) - Suzuki AN400 Service Manual

1A-49 Engine General Information and Diagnosis:

DTC "C29" (P1654-H/L): Secondary Throttle Position Sensor (STPS)

Detected Condition and Possible Cause
Detected Condition
Signal voltage is not within the following range.
Difference between actual throttle opening and opening
calculated by ECM is larger than specified value.
0.35 V ≤ Sensor voltage < 4.90 V
NOTE
• If SDS is used, P1654-H is indicated when
sensor voltage is higher than specified
value.
• If SDS is used, P1654-L is indicated when
sensor voltage is lower than specified
value.
Wiring Diagram
STP sensor
• STP sensor maladjusted
• STP sensor circuit open or short
• STP sensor malfunction
• ECM malfunction
NOTE
• When P1654-H is displayed, it is possible that
STP sensor circuit is shorted to Vcc or
ground circuit is open.
• When P1654-L is displayed, it is possible that
STP sensor circuit is open or shorted to
ground or Vcc circuit is open.
R
Y/G
B/Br
Possible Cause
ECM
(14) Vcc
(29) STP
(4) E2
B705H11104035
I705H1110066-02