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DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
ENGINE (DIAGNOSTICS)
CM:DTC P1516 — ISC SOLENOID VALVE SIGNAL #4 CIRCUIT MALFUNCTION
(LOW INPUT) —
• DTC DETECTING CONDITION:
• Immediately at fault recognition
• TROUBLE SYMPTOM:
• Erroneous idling
• Engine stalls.
• Engine breathing
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode <Ref. to EN(H4SO)-46, OP-
ERATION, Clear Memory Mode.> and Inspection Mode <Ref. to EN(H4SO)-39, OPERATION, Inspec-
tion Mode.>.
• WIRING DIAGRAM:
MAIN RELAY
6
4
5
3
2
1
B47
IDLE
AIR CONTROL
SOLENOID
VALVE
E7
A: B134
B: B135
ECM
D: B137
E
2
LHD
LHD
B61
F44
B22
E3
E2
B21
B22
E3
EN(H4SO)-246
BATTERY
SBF-5
E
B47
E7
1
2
3
1
2
4 5 6
3
4
5
6
F44
1 2 3 4
5 6 7 8
B22
1 2 3 4
5 6 7 8
9 10 11 12
13 14 15 16
B21
1 2
3 4
5
6 7
8
9 10
11 12
13
14 15
16
17 18
19 20
B135
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
B137
3
4
1
2
5
6
7 8 9 10 11
12 13
14
15
16
17
18
19 20
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 35
B136
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
EN-01439
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