Suzuki 2006 SX4, Service Manual

Page: 154 / 1478

1A-110 Engine General Information and Diagnosis:
DTC P0660 / P0662: Intake Manifold Tuning Valve Control Circuit Open / High
S6RW0C1104057
Wiring Diagram
DTC Detecting Condition and Trouble Area
DTC Confirmation Procedure
NOTE
Check to make sure that the following conditions are satisfied when using this “DTC Confirmation
Procedure”.
• The following DTC is not detected (when DTC P0660 is detected): DTC P0662
1) With ignition switch turned OFF, connect scan tool.
2) Turn ON ignition switch and clear DTC by using scan tool.
3) Start engine and run it for 10 sec.
4) Check DTC.
1
YEL
YEL/BLK
C01-42
C01-43
E01 C01
3 4
18 19
5 6 7 10 11
17 20
47 46 49 50 51
21 22
52
16 25
9
24
14
29
55 57 54 53
59
60 58
2
26 27 28
15
30
56 48
32 31 34 35 36 37 40 42 39 38
44
45 43 41 33
1 12 13
23
8 3 4
18 19
5 6 7 10 11
17 20
47 46 49 50 51
21 22
52
16 25
9
24
14
29
55 57 54 53
59
60 58
2
26 27 28
15
30
56 48
32 31 34 35 36 37 40 42 39 38
44
45 43 41 33
1 12 13
23
8
2
A2
A1
[A]
[B]
I7RW01110073-04
[A]: Open A1: IMT valve control circuit (+) 1. IMT valve
[B]: Close A2: IMT valve control circuit (–) 2. ECM
DTC detecting condition Trouble area
DTC P0660:
Monitor signal of IMT valve is different from command signal for 5 sec.
(1 driving cycle detection logic but MIL does not light up)
• IMT valve and/or its circuit
• ECM
DTC P0662:
Circuit voltage of IMT valve is higher than specification for 5 sec. when engine
revolution is 3,000 rpm or less.
(1 driving cycle detection logic but MIL does not light up)