Suzuki GRAND VITARA JB416, Service Manual

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Instrumentation / Driver Info. / Horn: 9C-4
Terminal arrangement of coupler viewed from combination meter side
Diagnostic Information and Procedures
Speedometer Symptom Diagnosis
S5JB0E9304001
Tachometer Symptom Diagnosis
S5JB0E9304002
1. Main fuse 6. Fuel meter 11. CPU 16. Illumination cancel switch (if equipped)
2. METER fuse 7. ECT meter 12. Power supply 17. Combination meter
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 — G28-12 To headlight auto leveling control module (if
equipped)
G28-2 — 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 To illumination cancel switch (if equipped)
17 16 11
1
22
10
21
9
20
8
19
7
18
6
15
5
14
4
13
3
12
2
I5JB0A930002-01
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 in related manual”.
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 in related manual”.
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.