Suzuki Grand Vitara JB627. 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