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DTC P0122 Throttle Position Sensor Circuit Low
WIRING DIAGRAM
1
C64
7
6
5
4
3
17
16
15
14
13
12
11
27
26
25
24
23
22
21
34
33
32
31
1. TP sensor
2. To MAP sensor
DTC DETECTING CONDITION AND TROUBLE AREA
DTC DETECTING CONDITION
DTC will be set when all of the following conditions are
detected for 5 seconds continuously.
• Engine is running
• Voltage of TP sensor output is less than 0.15 V
DTC CONFIRMATION PROCEDURE
1) With ignition switch turned OFF, connect scan tool.
2) Turn ON ignition switch and clear DTC using scan tool.
3) Start engine and run it for 10 sec. or more.
4) Check DTC and pending DTC.
TROUBLESHOOTING
NOTE:
When this DTC and P1700 are stored together, also clear DTC stored in TCM after completion of
repair.
Step
1
Was "Engine and Emission Control System
Check" performed?
GRY/RED
GRY/BLU
ORN
C63
2
1
7
6
5
4
3
10
9
8
19
18
17
16
15
14
13
12
11
20
19
18
27
26
25
24
23
30
29
28
35
34
33
32
31
3. To other sensors
Action
ENGINE GENERAL INFORMATION AND DIAGNOSIS 6-89
2
C63-8
GRY/RED
C63-34
ORN
C63-28
3
G91
2
1
6
5
4
3
2
10
9
8
16
15
14
13
12
11
10
9
22
21
20
27
26
25
24
23
22
21
20
30
29
28
35
34
33
32
31
4. ECM
• TP sensor circuit
• TP sensor
• ECM
Yes
Go to Step 2.
4
1
7
8
19
18
17
30
29
28
TROUBLE AREA
Go to "Engine and Emis-
sion Control System
Check" in this section.
No
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