Diagnosis Procedure
- CHECK FUSES
Check That The Following Fuses Are Not Blown.
Unit
Power Source
Fuse No.
Combination Meter
Battery
8(10A)
Ignition Switch ON Or ACC
18(10A)
Ignition Switch ON Or START
3 (10A)
Is The Fuse Blown?
YES
Replace The Blown Fuse After Repairing The Affected Circuit.
NO
GO TO 2.
- POWER SUPPLY CIRCUIT CHECK
Check Voltage Between Combination Meter Harness Connector M24 Terminals 15, 27, 28 And Ground.
Terminals
Ignition Switch Position
(+)
(-)
OFF
ACC
ON
START
Connector
Terminal
M24
27
Ground
Battery Voltage
Battery Voltage
Battery Voltage
Battery Voltage
15
0V
Battery Voltage
Battery Voltage
0V
28
0V
0V
Battery Voltage
Battery Voltage
Is The Inspection Result Normal?
YES
GO TO 3.
NO
Repair Or Replace Harness Or Connector.
- CHECK GROUND CIRCUIT
Check Continuity Between Combination Meter Harness Connector M24 Terminals 21, 22, 23 And Ground.
Combination Meter
Ground
Continuity
Connector
Terminal
M24
21
Yes
22
23
Is The Inspection Result Normal?
YES
Inspection End.
NO
Repair Or Replace Harness Or Connector.