Dtc P2122: Throttle / Pedal Position Sensor / Switch "D" (Main) Circuit Low Input - Suzuki Swift Sport 2004 Service & Repair Manual

Step
4 Electric throttle body check
1) Check electric throttle body referring to" Electric Throttle
Body Assembly and Its Circuit Check" under "Electric
Throttle Body Assembly On-Vehicle Inspection in
Section 1C".
Is check result satisfactory?

DTC P2122: Throttle / Pedal Position Sensor / Switch "D" (Main) Circuit Low Input

Wiring Diagram
1
1-1
1-2
15 14 13 12 11
30 29 28 27 26
44
45 43 42 41
59
60 58 57 56
1. APP sensor
1-1. APP sensor (main)
DTC Detecting Condition and Trouble Area
DTC detecting condition
Output voltage of APP sensor (main) is less than specified
value for 0.2 seconds continuously.
(1 driving detection logic)
DTC Confirmation Procedure
1) With ignition switch turned OFF, connect scan tool.
2) Turn ON ignition switch and clear DTC using scan tool.
3) Keep the accelerator pedal at idle position for 2 seconds.
4) Keep the accelerator pedal at fully depressed position for 2 seconds.
5) Repeat Step 3) and 4) for 3 times.
6) Check DTC.
Action
3
E23
10 9 8 7 6 5 4 3
25 24 23 22 21 20 19 18
40 39 38 37 36 35 34 33
55 54 53 52 51 50 49 48
1-2. APP sensor (sub)
2. ECM
Engine General Information and Diagnosis:
Substitute a known-
good ECM and recheck.
BRN
GRN
BLU
RED
YEL
WHT
2 1 15 14 13 12 11
17 16 30 29 28 27 26
44
32 31 45 43 42 41
59
47 46 60 58 57 56
• APP sensor (main) circuit
• APP sensor
• ECM
• Incorrect mounting of APP sensor
Yes
Replace electric throttle
body.
2
5 V
E23-35
E23-37
5 V
E23-52
E23-34
E23-36
E23-51
E23-50
C37
10 9 8 7 6 5 4 3
25 24 23 22 21 20 19 18
40 39 38 37 36 35 34 33
55 54 53 52 51 50 49 48
3. Ground of APP sensor for shield wire
Trouble area
1A-159
No
S7RS0B1104072
2 1
17 16
32 31
47 46
I4RS0B110047-01