Suzuki GRAND VITARA 2005 Service Manual page 710
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Also See for GRAND VITARA 2005:
- Owner's manual (1736 pages) ,
- Service manual (801 pages) ,
- Manual (35 pages)
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10A-6 Cruise Control System:
Condition
Cruise control at vehicle
speed stored in memory
cannot be resumed after
cruise control was
cancelled by means other
than MAIN switch
Inspection of Cruise Control System Circuit
Cruise control system is controlled by ECM. Each switch and circuit can be checked by taking measurement of
terminal voltage.
Voltage Check
Check voltage between the following terminals with ECM connector connected.
Terminal arrangement of ECM connector viewed from harness side
26
25
28
27
30
29
32
31
Terminals
Cruise control command switch
E66-17 – ground
(SET/COAST, ACC/RES and
CANCEL switch) circuit
Cruise control main switch
E66-20 – ground
circuit
Ground circuit for cruise control
E66-23 – ground
command switch
E66-28 – ground Stop lamp switch circuit
E66-30 – ground CPP switch circuit
Brake pedal position switch
C85-8 – ground
circuit
Possible cause
RES/ACC switch faulty
Wiring or grounding faulty
ECM faulty
C85
6
5
4
3
2
1
18
17
16
12
11
10
9
8
7
28
27
26
38
37
36
18
17
16
15
14
13
23
22
21
20
19
24
48
47
46
Circuit
Check RES/ACC switch for function referring
to "Cruise Control Switch Inspection: in related
manual".
Repair.
Replace after making sure that none of above
parts is faulty.
C86
2
1
15
14
13
12
11
10
9
3
4
25
24
23
22
21
20
19
35
34
33
32
31
30
29
6
5
45
44
43
42
41
39
8
7
40
Normal Voltage
Ignition switch is at ON position and cruise
0 – 0.1 V
control cancel switch is kept in push.
Ignition switch is at ON position and SET/
1.5 – 1.9 V
COAST switch of cruise control is kept in push.
Ignition switch is at ON position and ACC/RES
3.2 – 3.7 V
switch of cruise control is kept in push.
Ignition switch is at ON position and cruise
4.5 – 5.5 V
control command switches are not pushed.
Ignition switch is at ON position and cruise
0 – 1 V
control MAIN switch is not pushed.
Ignition switch is at ON position and cruise
10 – 14 V
control MAIN switch is kept in push.
Below 1.3 V
Ignition switch is at ON position.
Ignition switch is at ON position and brake
0 V
pedal is not depressed.
Ignition switch is at ON position and brake
10 – 14 V
pedal is depressed.
Ignition switch is at ON position and clutch
10 – 14 V
pedal is not depressed.
Ignition switch is at ON position and clutch
0 V
pedal is depressed.
Ignition switch is at ON position and brake
10 – 14 V
pedal is not depressed.
Ignition switch is at ON position and brake
0 V
pedal is depressed.
Correction / Reference Item
E66
11
14
13
12
10
9
2
1
4
3
20
19
18
17
16
15
26
25
24
23
22
21
5
6
8
7
32
31
30
29
28
27
Condition
S5JB0BA104012
I5JB0BA10004-01
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