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DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
E: DTC 22 KNOCK SENSOR
• DIAGNOSIS:
• The knock sensor signal is abnormal.
• The harness connector between ECM and knock sensor is open or shorted.
• TROUBLE SYMPTOM:
• Poor driving performance
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory and inspection modes. <Ref. to
EN(H4SOw/oOBD)-28, OPERATION, Clear Memory Mode.> and <Ref. to EN(H4SOw/oOBD)-26, OPER-
ATION, Inspection Mode.>
• WIRING DIAGRAM:
KNOCK
SENSOR
E14
E2
B21
ECM
B136
EN(H4SOw/oOBD)-67
1
2
8
9
21
22
E
ENGINE (DIAGNOSTICS)
E14
1 2
B21
1 2
3 4
5
6 7
8
9 10
11 12
13
14 15
16
17 18
19 20
B136
3
4
5
6 7
10
11 12 13 14 15
16 17 18
19 20
23
24 25
26 27
28 29
30
EN-01556
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