INSTRUMENT CLUSTER INSPECTION

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Speedometer


Using a speedometer tester

1.  Adjust the tire pressure to the specification.

2.  Using a speedometer tester, verify that the tester reading is as indicated in the table below.

Type A

Speedometer tester indication (km/h)

Allowable range (km/h)
20
20—26
40
41—46
60
61—67
80
82—88
100
102—109
120
123—130
140
144—152

Type B

Speedometer tester indication (mph)

Allowable range (mph)
10
10—14
20
20—24
30
30—34
40
41—45
50
51—55
60
61—66
70
72—77
80
82—87

3.  Verify that the speedometer reading is within the range indicated in the table.

MZR-CD 2.2
•  If the speedometer does not move or the indication is not within the allowable range, inspect the PCM, DSC HU/CM and related wiring harnesses.
―  If the PCM, DSC HU/CM and related wiring harnesses are normal, replace the instrument cluster.
Except MZR-CD 2.2
•  If the speedometer does not move or the indication is not within the allowable range, inspect the PCM and related wiring harnesses.
―  If the PCM and related wiring harnesses are normal, replace the instrument cluster.


Using the M-MDS

1.  Connect the M-MDS to the DLC‐2.

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2.  After the vehicle is identified, select the following items from the initialization screen of the M-MDS.

•  When using the IDS (laptop PC)
1.  Select “DataLogger”.
2.  Select “Modules”.
3.  Select “IC”.
•  When using the PDS (Pocket PC)
1.  Select “Module Tests”.
2.  Select “IC”.
3.  Select “DataLogger”.

3.  Verify that it is displayed according to the table using “SPDMTR”.

•  If the speedometer does not move or the indication is not within the allowable range, inspect the related wiring harnesses.
―  If the related wiring harnesses are normal, replace the instrument cluster.

M-MDS display
Instrument cluster display
60 km/h
Speedometer gauge needle moves to approx. 65 km/h {40 mph}
120 km/h
Speedometer gauge needle moves to approx. 128 km/h {79.5 mph}
Off
Speedometer gauge needle moves to 0 km/h {0 mph}


Tachometer

Caution
•  If the engine speed exceeds the allowable range, the engine could be damaged. Therefore, when inspecting the tachometer, do not allow the engine speed to exceed the allowable range indication on the tachometer.

1.  Connect the M-MDS to the DLC‐2.

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2.  After the vehicle is identified, select the following items from the initialization screen of the M-MDS.

•  When using the IDS (laptop PC)
1.  Select “DataLogger”.
2.  Select “Modules”.
3.  Select “IC”.
•  When using the PDS (Pocket PC)
1.  Select “Module Tests”.
2.  Select “IC”.
3.  Select “DataLogger”.

3.  Verify that it is displayed according to the table using “TACHOMTR”.

•  If the tachometer does not move or the indication is not within the allowable range, inspect the related wiring harnesses.
―  If the related wiring harnesses are normal, replace the instrument cluster.

M-MDS display
Instrument cluster display
3,000 RPM
Tachometer gauge needle moves to approx. 3,100 rpm
6,000 RPM
Tachometer gauge needle moves to approx. 6,200 rpm
Off
Tachometer gauge needle moves to 0 rpm


Fuel gauge

1.  Connect the M-MDS to the DLC‐2.

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2.  After the vehicle is identified, select the following items from the initialization screen of the M-MDS.

•  When using the IDS (laptop PC)
1.  Select “DataLogger”.
2.  Select “Modules”.
3.  Select “IC”.
•  When using the PDS (Pocket PC)
1.  Select “Module Tests”.
2.  Select “IC”.
3.  Select “DataLogger”.

3.  Verify that it is displayed according to the table using “FUEL_GAUGE”.

•  If the fuel gauge does not move or the indication is not within the allowable range, inspect the related wiring harnesses.
―  If the related wiring harnesses are normal, replace the instrument cluster.

M-MDS display
Instrument cluster display
E
Fuel gauge needle moves to E
1/2
Fuel gauge needle moves to 1/2
F
Fuel gauge needle moves to F


Water temperature gauge

1.  Connect the M-MDS to the DLC‐2.

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2.  After the vehicle is identified, select the following items from the initialization screen of the M-MDS.

•  When using the IDS (laptop PC)
1.  Select “DataLogger”.
2.  Select “Modules”.
3.  Select “IC”.
•  When using the PDS (Pocket PC)
1.  Select “Module Tests”.
2.  Select “IC”.
3.  Select “DataLogger”.

3.  Verify that it is displayed according to the table using “ECT_GAUGE”.

•  If the water temperature gauge does not move or the indication is not within the allowable range, inspect the related wiring harnesses.
―  If the related wiring harnesses are normal, replace the instrument cluster.

L8, LF, L5 engine

M-MDS display
Instrument cluster display
C (50 DegC)
Engine coolant temperature gauge needle moves to C
H (128 DegC)
Engine coolant temperature gauge needle moves to H
Off
Engine coolant temperature gauge needle moves to lower area

Except L8, LF, L5 engine

M-MDS display
Instrument cluster display
C (35 DegC)
Engine coolant temperature gauge needle moves to C
H (128 DegC)
Engine coolant temperature gauge needle moves to H
Off
Engine coolant temperature gauge needle moves to lower area