BE1ZI-01
BE-48
-
BODY ELECTRICAL
COMBINATION METER
1566
Author:
Date:
2001 SIENNA (RM787U)
INSPECTION
1.
INSPECT SPEEDOMETER ON-VEHICLE
Using a speedometer tester, inspect the speedometer for allow-
able indication error and check the operation of the odometer.
HINT:
Tire wear and tire over or under inflation will increase the indica-
tion error.
If error is excessive, replace the speedometer.
USA (mph)
CANADA (km/h)
Standard indication
Allowable range
Standard indication
Allowable range
20
18 - 24
20
17 - 24
40
38 - 44
40
38 - 46
60
56 - 66
60
57.5 - 67
80
78 - 88
80
77 - 88
100
98 - 110
100
96 - 109
120
118 - 132
120
115 - 130
140
134 - 151.5
160
153 - 173
2.
w/ Tachometer:
INSPECT TACHOMETER ON-VEHICLE
(a)
Connect a tune-up test tachometer, and start the engine.
NOTICE:
Reversing the connection of the tachometer will dam-
age the transistors and diodes inside.
When removing or installing the tachometer, be care-
ful not to drop or subject it to heavy shocks.
(b)
Compare the tester and tachometer indications.
Standard indication
Allowable range
700
630 - 770
1,000
900 - 1,100
2,000
1,850 - 2,150
3,000
2,800 - 3,200
4,000
3,800 - 4,200
5,000
4,800 - 5,200
6,000
5,750 - 6,250
7,000
6,700 - 7,300
