Suzuki Grand Vitara JB627. Service manual — part 377
9C-1 Instrumentation / Driver Info. / Horn:
Body, Cab and Accessories
Instrumentation / Driver Info. / Horn
Precautions
Precautions in Diagnosing Troubles for Combination Meter
S6JB0B9300001
Combination meter uses signals (information) from each control module by CAN communication to control
speedometer, tachometer, fuel meter, engine coolant temp meter, warning light and indicator light (other than air bag
warning light, headlight leveling warning light, rear fog light and turn signal indicator light). Therefore, check that no
DTC is detected in each module before performing combination meter symptom diagnosis. If any DTC is detected,
correct trouble indicated by that DTC troubleshooting first.
General Description
CAN Communication System Description
S6JB0B9301001
Refer to “CAN Communication System Description in Section 1A” for CAN communication system description.
Combination meter communicates control data with each control module as follows.
Combination Meter Transmission Data
BCM
Combination
meter
DATA
Transmit
Fuel level percent signal
I6JB0B930001-03
Instrumentation / Driver Info. / Horn: 9C-2
Combination Meter Reception Data
NOTE
*: ESP
® model
ECM
BCM
Keyless
Start
Control
Module
(if equipped)
DATA
Recive
Combination
Meter
4WD
Control
Module
(if equipped)
TCM
(A/T
model)
Engine revolution speed signal
Immobilizer indicator light control
signal
Vehicle speed signal
Engine coolant temperature signal
Fuel level signal
Malfunction indicator lamp (MIL)
control signal
Transmission range sensor signal
Diagnostic trouble code (DTC)
Brake fluid level switch signal
(brake warning light control signal)
Driver side seat belt buckle switch
signal (seat belt reminder light control
signal)
Charging system warning light signal
(charge warning light control signal)
Engine oil pressure switch signal
(oil pressure warning light control
signal)
Parking brake switch signal
(brake warning light control signal)
Lighting switch signal
Door switch signal
(open door warning light control signal)
ABS warning light control signal
EBD warning light control signal
(brake warning light control signal)
4WD mode indicator control signal
Key indicator light control signal
ESP status signal
ABS/ESP
Control
Module
“
CRUSE
”
and
“
SET
”
indicator light
control signal
Automatic transmission mode indicator
light control signal
Electric load signal
Transmission warning light control
signal
*
I6JB0B930002-02
9C-3 Instrumentation / Driver Info. / Horn:
Auto Volume Control System Description (If Equipped)
S6JB0B9301002
Function of auto volume control system is to vary sound volume according to changes of vehicle speed. How much
sound volume varies depends on selected level.
Reference Correlation Chart of Vehicle Speed and Sound Volume
[A]: Vehicle speed
[C]: Acceleration
[E]: Increase
[B]: Sound volume
[D]: Deceleration
[F]: Decrease
[A]
[E]
[F]
[B]
[E]
[F]
[C]
[D]
I6RS0B930004-01
Instrumentation / Driver Info. / Horn: 9C-4
Schematic and Routing Diagram
Combination Meter Circuit Diagram
S6JB0B9302001
7
6
5
4
17
15
G28-19
3
G28-20
3
G28-11
3
G28-12
18
G28-15
G28-8
G28-10
9
9
G28-1
16
G28-16
1
2
10
G28-2
16
G28-13
G28-14
8
11
13
14
16
12
I6JB0B930003-02
1. Main fuse
6. Fuel meter
11. CPU
16. Illumination control switch (Odometer /
Tripmeter selector) (if equipped)
2. METER fuse
7. ECT meter
12. Power supply
17. Combination meter
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