Suzuki Grand Vitara JB416 / JB420 / JB419. Manual — part 488
9C-4 Instrumentation / Driver Info. / Horn:
Schematic and Routing Diagram
Combination Meter Circuit Diagram
S6JB0A9302001
7
6
5
4
17
G28-8
G28-10
9
9
G28-1
20
G28-16
1
2
10
G28-2
21
G28-13
G28-14
8
11
13
14
G28-19
3
G28-11
3
G28-12
G28-20
18
3
G28-15
16
G28-18
19
12
G28-6
19
[A]
15
I6JB0A930003-02
[A]: Diesel engine model
8. ODO-TRIP
16. Illumination control switch (Odometer/Tripmeter selector) (if equipped)
Instrumentation / Driver Info. / Horn: 9C-5
Terminal arrangement of coupler viewed from harness side
Component Location
Audio System Component Location
S6JB0A9303001
1. Main fuse
9. Junction connector
17. Combination meter
2. METER fuse
10. SDM
18. Headlight auto leveling control module (if equipped)
3. Combination switch
11. CPU
19. Fuel level sensor
4. Tachometer
12. Power supply
20. Audio unit
5. Speedometer
13. Interface circuit
21. Information display
6. Fuel meter
14. CAN driver
7. ECT meter
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
Fuel level sensor ground (diesel engine
model)
G28-17
—
G28-7
—
G28-18 To fuel level sensor (diesel engine model)
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
9C-6 Instrumentation / Driver Info. / Horn:
Diagnostic Information and Procedures
Speedometer Symptom Diagnosis
S6JB0A9304001
Tachometer Symptom Diagnosis
S6JB0A9304002
Engine Coolant Temperature (ECT) Meter Symptom Diagnosis
S6JB0A9304003
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:
For Petrol Engine Model in Section 1A” or
“DTC Check: For Diesel Engine Model in
Section 1A”.
Rear wheel speed sensor or sensor ring
faulty
Check rear wheel speed sensor or sensor ring
referring to “Front and 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:
For Petrol Engine Model in Section 1A” or
“DTC Check: For Diesel Engine Model 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:
For Petrol Engine Model in Section 1A” or
“DTC Check: For Diesel Engine Model in
Section 1A”.
ECT sensor faulty
Check ECT sensor referring to “Engine
Coolant Temperature (ECT) Sensor
Inspection: For Petrol Engine Model in Section
1C” or “Engine Coolant Temperature (ECT)
Sensor Inspection: For Diesel Engine Model 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.
Instrumentation / Driver Info. / Horn: 9C-7
Fuel Meter Symptom Diagnosis
S6JB0A9304004
Low Fuel Warning Light Symptom Diagnosis
S6JB0A9304005
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:
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 (petrol engine
model)
Check ECM for DTC referring to “DTC Check:
For Petrol Engine Model 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 (petrol engine model)
Replace after making sure that none of above
parts is faulty.
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 (petrol engine
model)
Check ECM for DTC referring to “DTC Check:
For Petrol Engine Model 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 (petrol engine model)
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 (petrol engine
model)
Check ECM for DTC referring to “DTC Check:
For Petrol Engine Model 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 (petrol engine model)
Replace after making sure that none of above
parts is faulty.
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