Engine General Information and Diagnosis: 1A-62
DTC “C29” (P1654-H/L): Secondary Throttle Position Sensor (STPS) Circuit Malfunction
B940H21104018
Detected Condition and Possible Cause
Wiring Diagram
ECM coupler (Harness side)
Troubleshooting
CAUTION
!
When using the multi-circuit tester, do not strongly touch the terminal of the ECM coupler with a
needle pointed tester probe to prevent terminal damage.
NOTE
After repairing the trouble, clear the DTC using SDS tool. Refer to “Use of SDS Diagnosis Reset
Procedures (Page 1A-13)”.
Detected Condition
Possible Cause
C29
Output voltage is not within the following
range.
Difference between actual throttle opening
and opening calculated by ECM is larger
than specified value.
0.1 V < Sensor voltage < 4.83 V
• STP sensor maladjusted.
• STP sensor circuit open or short.
• STP sensor malfunction.
• ECM malfunction.
• STP sensor circuit shorted to VCC or ground circuit
open.
P1654
H
Sensor voltage is higher than specified
value.
L
Sensor voltage is lower than specified
value.
• STP sensor circuit open or shorted to ground or VCC
circuit open.
ECM
E2
VCC
Y/W
R
STPS
STP sensor
B/Br
5
4
12
I940H1110051-01
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I940H1110012-03
Содержание Intruder VZ1500
Страница 2: ......
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Страница 62: ...0C 12 Service Data ...
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