CHASSIS ELECTRICAL – Combination MetersCHASSIS ELECTRICAL – Combination Meters
54-22
COMBINATION METERS
SERVICE SPECIFICATIONS
Items Standard value Limit
Speedometer Allowable indication range km/h
(Speedometer indication error to be
40 37 – 45 –
pee
ometer
n
cat
on error to
e
with –6% to +10%)
80 75 – 88 –
120 113 – 132 –
160 150 – 176 –
Pointer fluctuation km/h (at vehicle speeds of higher than 35
km/h)
– ±3
Tachometer indica-
700 All types of tachometer ± 100 –
t
on error r
m
n
3,000 Meters measurable up to 6,000 rpm and
meters measurable up to 8,000 rpm
+ 150 –
Meters measurable up to 9,000 rpm and
meters measurable up to 10,000 rpm
+ 225
– 100
–
4,750 Meters measurable up to 6,000 rpm ± 160 –
5,000 Meters measurable up to 8,000 rpm ± 250 –
Meters measurable up to 9,000 rpm and
meters measurable up to 10,000 rpm
+ 325
– 125
–
6,000 Meters measurable up to 8,000 rpm ± 300 –
7,000 Meters measurable up to 9,000 rpm and
meters measurable up to 10,000 rpm
+ 400
– 100
–
8,000 Meters measurable up to 10,000 rpm + 400
– 0
–
Fuel gauge unit
Main tank Float point F 1.8 ± 1.2 –
res
stance Ω
Float point E 65.2 ± 4 –
Sub tank Float point F 1.2 ± 0.8 –
Float point E 44.8 ± 3 –
Fuel gauge unit
f
Main tank Float point F 16.4 –
oat
e
g
t mm
Float point E 122.6 –
Sub tank Float point F 17.5 –
Float point E 134.6 –
Engine coolant temperature gauge unit resistance (at 70 _C) Ω 104 ± 13.5 –
Fuel gauge resis-
Power supply and earth 192 ± 19.2 –
tance Ω
Power supply and fuel gauge 89 ± 8.9 –
Fuel gauge and earth 103 ± 10.3 –
Engine coolant
Power supply and earth 187 ± 18.7 –
temperature gauge
resistance Ω
Power supply and engine coolant temperature gauge 90 ± 4.5 –
Engine coolant temperature gauge and earth 247 ± 24.7 –