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asieps_tobira_IM_US.book 305 ページ ２０１２年１月１７日 火曜日 午後３時４８分
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
DI: DTC P2021 INTAKE MANIFOLD RUNNER POSITION SENSOR / SWITCH CIR-
CUIT LOW (BANK 2)
DTC DETECTING CONDITION:
• Immediately at fault recognition
• GENERAL DESCRIPTION <Ref. to GD(STI)-230, DTC P2021 INTAKE MANIFOLD RUNNER POSITION
SENSOR / SWITCH CIRCUIT LOW (BANK 2), Diagnostic Trouble Code (DTC) Detecting Criteria.>
TROUBLE SYMPTOM:
• Erroneous idling
• Engine stalls.
• Poor driving performance
CAUTION:
After repairing or replacing the defective part, perform the Clear Memory Mode <Ref. to EN(STI)(di-
ag)-48, OPERATION, Clear Memory Mode.> and Inspection Mode <Ref. to EN(STI)(diag)-39, PROCE-
DURE, Inspection Mode.>.
WIRING DIAGRAM:
TUMBLE GENERATOR
VALVE POSITION SENSOR LH
E80
E100
B21
B134 ECM
EN(STI)(diag)-305
ENGINE (DIAGNOSTICS)
E80
1
2
3
4 5
B134
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15
16
17
18
19 20
21
22
23 24
25
26 27
28 29
30
31
32
33 34
B21
1 2 3 4 5 6 7 8 9 10 11
12 13 14 15 16 17 18 19 20 21 22
23 24 25 26 27 28 29 30 31 32 33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
EN-05495
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