Suzuki Grand Vitara JB627. Manual — part 378
9C-5 Instrumentation / Driver Info. / Horn:
Terminal arrangement of coupler viewed from combination meter side
Component Location
Audio System Component Location
S6JB0B9303001
3. Combination switch
8. ODO-TRIP
13. Interface circuit
18. Headlight auto leveling control module (if
equipped)
4. Tachometer
9. Junction connector
14. CAN driver
5. Speedometer
10. SDM
15. Stepper motor and LED output driver
Terminal
Circuit
Terminal
Circuit
G28-1
To audio unit (Illumination control output
signal) (if equipped)
G28-12 To headlight auto leveling control module (if
equipped)
G28-2
To information display (Illumination control
output signal) (if equipped)
G28-13 Power source
G28-3
—
G28-14 Backup power source
G28-4
—
G28-15 GND
G28-5
—
G28-16 To SDM (Air bag warning light signal)
G28-6
—
G28-17
—
G28-7
—
G28-18
—
G28-8
CAN communication line (Active Low Signal)
G28-19 To turn signal light switch (turn L)
G28-9
—
G28-20 To turn signal light switch (turn R)
G28-10 CAN communication line (Active High Signal)
G28-21
—
G28-11 To rear fog light switch (if equipped)
G28-22
—
17 16
11
1
22
10
21
9
20
8
19
7
18
6
15
5
14
4
13
3
12
2
I5JB0A930002-01
2
1
4
3
3
6
5
2
(a)
7
I5JB0A930003-01
1. Radio or navigation assembly
4. Antenna feeder
7. GPS antenna (if equipped)
2. Front speaker
5. Antenna
: 10 N
⋅m (1.0 kgf-m, 7.5 lb-ft)
3. Rear speaker
6. Antenna base
Instrumentation / Driver Info. / Horn: 9C-6
Diagnostic Information and Procedures
Speedometer Symptom Diagnosis
S6JB0B9304001
Tachometer Symptom Diagnosis
S6JB0B9304002
Engine Coolant Temperature (ECT) Meter Symptom Diagnosis
S6JB0B9304003
Fuel Meter Symptom Diagnosis
S6JB0B9304004
Condition
Possible cause
Correction / Reference Item
Speedometer shows no
operation or incorrect
operation
Circuit fuse blown
Replace fuse and check for short circuit.
Data (information) can not be received
by CAN communication
Check ECM for DTC referring to “DTC Check
in Section 1A”.
Rear wheel speed sensor or sensor ring
faulty
Check rear wheel speed sensor or sensor ring
referring to “Rear Wheel Speed Sensor On-
Vehicle Inspection in Section 4E” or “Rear
Wheel Encoder On-Vehicle Inspection in
Section 4E”.
Wiring or ground faulty
Repair circuit.
Combination meter faulty
Replace combination meter.
ECM faulty
Replace after making sure that none of above
parts is faulty.
Condition
Possible cause
Correction / Reference Item
Tachometer shows no
operation or incorrect
operation
Circuit fuse blown
Replace fuse and check for short circuit.
Data (information) can not be received
by CAN communication
Check ECM for DTC referring to “DTC Check
in Section 1A”.
Wiring or ground faulty
Repair circuit.
Combination meter faulty
Replace combination meter.
ECM faulty
Replace after making sure that none of above
parts is faulty.
Condition
Possible cause
Correction / Reference Item
Engine coolant
temperature (ECT) meter
shows no operation or
incorrect operation
Circuit fuse blown
Replace fuse and check for short circuit.
Data (information) can not be received
by CAN communication
Check ECM for DTC referring to “DTC Check
in Section 1A”.
ECT sensor faulty
Check ECT sensor referring to “Engine
Coolant Temperature (ECT) Sensor Inspection
in Section 1C”.
Wiring or ground faulty
Repair circuit.
Combination meter faulty
Replace combination meter.
ECM faulty
Replace after making sure that none of above
parts is faulty.
Condition
Possible cause
Correction / Reference Item
Fuel meter shows no
operation or incorrect
operation
Circuit fuse blown
Replace fuse and check for short circuit.
Data (information) can not be received
by CAN communication
Check ECM for DTC referring to “DTC Check
in Section 1A”.
Fuel level sensor faulty
Check fuel level sensor referring to “Fuel Level
Sensor Inspection”.
Wiring or ground faulty
Repair circuit.
Combination meter faulty
Replace combination meter.
ECM faulty
Replace after making sure that none of above
parts is faulty.
9C-7 Instrumentation / Driver Info. / Horn:
Low Fuel Warning Light Symptom Diagnosis
S6JB0B9304005
NOTE
Confirm that fuel meter is in good condition before referring to the following possible causes.
• When fuel level meter circuit is open or short circuit, fuel level meter indicates empty even if fuel
tank does not empty.
• The low fuel warning light comes ON when fuel level is lower than specification below.
Low fuel warning light operation:
Oil Pressure Warning Light Symptom Diagnosis
S6JB0B9304006
Low fuel warning
light operation:
Fuel amount:
Resistance of fuel level sensor:
ON
Approx. 8.3 liter (3 door model)
Approx. 9.9 liter (5 door model)
250.8 – 255.8
Ω
Condition
Possible cause
Correction / Reference Item
Low fuel warning light
does not come ON when
fuel level is lower than
specification
Circuit fuse blown
Replace fuse and check for short circuit.
Data (information) can not be received
by CAN communication
Check ECM for DTC referring to “DTC Check
in Section 1A”.
Fuel level sensor faulty
Check fuel level sensor referring to “Fuel Level
Sensor Inspection”.
Wiring or ground faulty
Repair circuit.
Combination meter faulty
Replace combination meter.
ECM faulty
Replace after making sure that none of above
parts is faulty.
Low fuel warning light
comes ON steady
Low fuel
Refill fuel.
Data (information) can not be received
by CAN communication
Check ECM for DTC referring to “DTC Check
in Section 1A”.
Fuel level sensor faulty
Check fuel level sensor referring to “Fuel Level
Sensor Inspection”.
Combination meter faulty
Replace combination meter.
ECM faulty
Replace after making sure that none of above
parts is faulty.
Condition
Possible cause
Correction / Reference Item
Oil pressure warning light
does not light up when
ignition switch is turned
to ON position at engine
off
Circuit fuse blown
Replace fuse and check for short circuit.
Data (information) can not be received
by CAN communication
Check BCM for DTC referring to “DTC Check
in Section 10B”.
Oil pressure switch faulty
Check oil pressure switch referring to “Oil
Pressure Switch Inspection”.
Wiring or ground faulty
Repair circuit.
Combination meter faulty
Replace combination meter.
BCM faulty
Replace after making sure that none of above
parts is faulty.
Oil pressure warning light
stays ON
Data (information) can not be received
by CAN communication
Check BCM for DTC referring to “DTC Check
in Section 10B”.
Oil pressure switch faulty
Check oil pressure switch referring to “Oil
Pressure Switch Inspection”.
Wiring or ground faulty
Repair circuit.
Combination meter faulty
Replace combination meter.
BCM faulty
Replace after making sure that none of above
parts is faulty.
Instrumentation / Driver Info. / Horn: 9C-8
Brake and Parking Brake Warning Light Symptom Diagnosis
S6JB0B9304007
Seat Belt Reminder Light Symptom Diagnosis (If Equipped)
S6JB0B9304008
Condition
Possible cause
Correction / Reference Item
Brake warning light does
not light up when brake
fluid level is low or
parking brake is pulled up
or for 2 seconds after
turning ON ignition switch
Circuit fuse blown
Replace fuse and check for short circuit.
Data (information) can not be received
by CAN communication
Check BCM for DTC referring to “DTC Check
in Section 10B”.
Brake fluid level switch faulty
Check brake fluid level switch referring to
“Brake Fluid Level Switch Inspection”.
Parking brake switch faulty
Check parking brake switch referring to
“Parking Brake Switch Inspection”.
ABS system faulty
Refer to “ABS Check in Section 4E”.
Wiring or ground faulty
Repair circuit.
Combination meter faulty
Replace combination meter.
BCM faulty
Replace after making sure that none of above
parts is faulty.
Brake warning light stays
ON
Data (information) can not be received
by CAN communication
Check BCM for DTC referring to “DTC Check
in Section 10B”.
Brake fluid level switch faulty
Check brake fluid level switch referring to
“Brake Fluid Level Switch Inspection”.
Parking brake switch faulty
Check parking brake switch referring to
“Parking Brake Switch Inspection”.
EBD system faulty
Refer to “EBD Warning Light (Brake Warning
Light) Check in Section 4E”.
Wiring or ground faulty
Repair circuit.
Combination meter faulty
Replace combination meter.
BCM faulty
Replace after making sure that none of above
parts is faulty.
Condition
Possible cause
Correction / Reference Item
Seat belt reminder light
does not light up
Circuit fuse blown
Replace fuse and check for short circuit.
Data (information) can not be received
by CAN communication
Check BCM for DTC referring to “DTC Check
in Section 10B”.
Seat belt switch faulty
Check seat belt switch referring to “Front Seat
Belt Inspection in Section 8A”.
Wiring or ground faulty
Repair circuit.
Combination meter faulty
Replace combination meter.
BCM faulty
Replace after making sure that none of above
parts is faulty.
Seat belt reminder light
stays ON
Data (information) can not be received
by CAN communication
Check BCM for DTC referring to “DTC Check
in Section 10B”.
Seat belt switch faulty
Check seat belt switch referring to “Front Seat
Belt Inspection in Section 8A”.
Wiring or ground faulty
Repair circuit.
Combination meter faulty
Replace combination meter.
BCM faulty
Replace after making sure that none of above
parts is faulty.
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