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[A]: Fig. 1 for Step 3
[B]: Fig. 2 for Step 6
DTC P0123 Throttle Position Circuit High Input
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 more than 4.7 V
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
4. ECM
ENGINE GENERAL INFORMATION AND DIAGNOSIS 6-91
2
C63-8
GRY/RED
C63-34
C63-28
ORN
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
• TP sensor circuit
• TP sensor
• ECM
4
1
7
8
19
18
17
30
29
28
TROUBLE AREA
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