Suzuki Grand Vitara JB416 / JB420. Manual — part 408
10A-7 Cruise Control System:
Resistance Check
1) Remove driver air bag (inflator) module from steering wheel referring to “Driver Air Bag (Inflator) Module Removal
and Installation in Section 8B”.
2) Measure resistance between the following terminals with ECM connector disconnected.
E23
C37
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
1
5
3
6
7 8 9
G54
[A]
[B]
I5JB0AA10005-03
[A]: Cruise control switch connector (viewed from harness side)
[B]: ECM connector (viewed from harness side)
Terminals
Circuit
Standard
Resistance
Condition
G54-1 – E23-6
MAIN switch circuit
No continuity
MAIN switch is not pressed.
About 1
Ω
MAIN switch is pressed.
E23-21 – E23-22
CANCEL switch circuit
No continuity
CANCEL switch is not pressed.
About 1.5
Ω
CANCEL switch is pressed.
RES/ACC switch circuit
No continuity
RES/ACC switch is not pressed.
About 911
Ω
RES/ACC switch is pressed.
SET/COAST switch circuit
No continuity
SET/COAST switch is not pressed.
About 222
Ω
SET/COAST switch is pressed.
Cruise Control System: 10A-8
Repair Instructions
Cruise Control Switch Removal and Installation
S5JB0AA106001
For removal and installation, refer to “Remote Audio
Control Switch Removal and Installation in Section 9C”.
Cruise Control Switch Inspection
S5JB0AA106002
NOTE
Never disassemble cruise control switch.
Disassembly will spoil its original functions.
1) Remove driver air bag (inflator) module referring to
“Driver Air Bag (Inflator) Module Removal and
Installation in Section 8B”.
2) Disconnect cruise control switch connector (1) from
control coil.
3) Check cruise control switch as follow.
For MAIN Switch
Check for continuity between “1” and “8” terminals under
each condition below.
If check result is not satisfactory, replace cruise control
switch (2).
Cruise main switch (3) specification: [B]
Switch button released: Infinity
Switch button pressed: Continuity
For Set/Coast, Res/Acc and Cancel Switch
Check for resistance between “7” and “9” terminals
under each condition below.
If check result is not satisfactory, replace cruise control
switch (2).
SET/COAST, RES/ACC and CANCEL switches
resistance: [C]
All switches released (OFF): Infinity
CANCEL switch (4) pressed (ON): About 0
Ω
SET/COAST switch (5) pressed (ON): 217 – 223
Ω
RES/ACC switch (6) pressed (ON): 900 – 920
Ω
CPP Switch (for Cruise Control) Removal and
Installation
S5JB0AA106003
Removal
1) Disconnect connector of CPP switch (for cruise
control) (1) with ignition switch OFF.
2) Remove CPP switch (for cruise control) (1) from
pedal bracket.
[A]: Cruise control switch connector viewed from harness side
2. Brake light switch
1
5
3
6
7 8 9
1
5
3
6
7 8 9
[B]
[C]
[A]
6
1
4
5
2
3
I5JB0AA10006-01
1
2
I5JB0AA10007-01
10A-9 Cruise Control System:
Installation
1) Install CPP switch (for cruise control) (2) to pedal
bracket.
2) With clutch pedal (1) released, adjust switch position
so that clearance between end of thread and clutch
pedal bracket is within specification.
Clearance between end of thread and clutch
pedal bracket
“a”: 0.5 – 1.5 mm (0.02 – 0.059 in.)
3) Tighten lock nut (3) to specified torque.
Tightening torque
CPP switch lock nut (a): 7.5 N·m (0.75 kgf-m, 5.5
lb-ft)
4) Connect connector to CPP switch (for cruise control)
(2) securely.
Clutch Pedal Position (CPP) Switch (for Cruise
Control) Inspection and Adjustment
S5JB0AA106004
Inspection
Check for resistance between terminals under each
condition below. If check result is not satisfactory,
replace.
CPP switch (for cruise control) resistance
When switch shaft is pushed [A]: No continuity
When switch shaft is free [B]: Continuity
Adjustment
For adjustment, refer to “Installation” under “CPP Switch
(for Cruise Control) Removal and Installation”.
Stop (Brake) Lamp Switch Removal and
Installation
S5JB0AA106007
For removal and installation, refer to “Brake Light Switch
Adjustment in Section 4A”.
Stop (Brake) Lamp Switch Inspection
S5JB0AA106005
Check for continuity between terminals referring to “Stop
(Brake) Lamp Switch Inspection in Section 9B”.
ECM Removal and Installation
S5JB0AA106006
For removal and installation, refer to “Engine Control
Module (ECM) Removal and Installation in Section 1C”.
Specifications
Tightening Torque Specifications
S5JB0AA107001
Reference:
For the tightening torque of fastener not specified in this section, refer to “Fastener Information in Section 0A”.
“a”
2
1
3
I5JB0AA10008-01
I5JB0AA10009-01
Fastening part
Tightening torque
Note
N
⋅m
kgf-m
lb-ft
CPP switch lock nut
7.5
0.75
5.5
Body Electrical Control System: 10B-1
Control Systems
Body Electrical Control System
Precautions
Precautions in Diagnosing Trouble
S5JB0AA200001
• Diagnostic information stored in BCM memory can be cleared as well as checked by using SUZUKI scan tool.
Before using scan tool, read its Operator’s (Instruction) Manual carefully to have good understanding as to what
functions are available and how to use it.
• Be sure to read “Precautions for Electrical Circuit Service in Section 00” before inspection and observe what is
written there.
• Communication of ECM, TCM (if equipped), BCM, ABS hydraulic unit/control module (if equipped), 4WD control
module (if equipped), keyless start control module (if equipped) and combination meter is established by CAN
(Controller Area Network).
Therefore, be sure to read “Precaution for CAN Communication System in Section 00” before inspection and handle
CAN communication line.
General Description
BCM General Description
S5JB0AA201001
The BCM incorporates relays and controllers which are used for the following systems and controls them.
• Power door lock (if equipped)
• Keyless entry (if equipped)
• Door lock function of keyless start system (if equipped)
• Rear wiper
• Combination meter
• Interior light / luggage room light
• Warning buzzer
• Rear end door window defogger and door miller heater (if equipped)
• DRL (if equipped)
• Auto-on headlight (if equipped)
• Front fog light (if equipped)
• Theft deterrent light
Also, the BCM has a function to cause the interior light and open door warning lamp in the combination meter to turn
off when any door is left open for longer than 15 minutes to reduce wasteful battery consumption.
In addition, it is possible to check operation of actuator which is controlled by BCM by using the output test function of
SUZUKI scan tool to operate actuator simulatively.
CAN Communication System Description for BCM
S5JB0AA201002
BCM communicates with each of ECM, TCM (if equipped), keyless start control module (if equipped), 4WD control
module (if equipped) and combination meter about the following data. For details of CAN communication, refer to
“CAN Communication System Description in Section 1A”.
• Data which BCM receives from ECM
– Engine speed signal
– Engine coolant temperature signal
– Vehicle speed signal
– Immobilizer registration request signal
– Stop (brake) lamp switch signal
– Magnet clutch signal
– A/C refrigerant pressure signal
– Distance kilometers per liter of fuel signal
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