Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Sienna 1998-2003 Approved FSM 19 commet insp
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BE-48
BODY ELECTRICAL - COMBINATION METER
BE1ZI-01
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:
S Reversing the connection of the tachometer will dam-
age the transistors and diodes inside.
S 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
2001 SIENNA (RM787U)
Author : Date : 1566
BE-49
BODY ELECTRICAL - COMBINATION METER
Ignition Fuel Gauge 3. INSPECT FUEL RECEIVER GAUGE OPERATION
Switch (a) Disconnect the connector from the sender gauge.
(b) Turn the ignition switch ON, check that the receiver gauge
needle indicates EMPTY.
Battery
F02902
(c) Connect terminals 1 and 2 on the wire harness side con-
nector through a 3.4-W test bulb.
(d) Turn the ignition switch ON, check that the bulb lights up
Fuel
Gauge
and the receiver gauge needle moves towards the full
side.
Battery 1 2 3 HINT:
4 5 Because of the silicon oil in the gauge, it will take a short time
for needle to stabilize.
BE1206 Ie-5-1-A Z05727 If operation is not as specified, inspect the receiver gauge resis-
tance.
w/o Tachometer: 4. INSPECT FUEL RECEIVER GAUGE RESISTANCE
Measure the resistance between terminals.
A
Tester connection Resistance ()
A-B Approx. 261.5
B A-C Approx. 107.2
B-C Approx. 154.3
C
If resistance value is not as specified, replace the receiver
gauge.
w/ Tachometer:
C
B
A
I03110
2001 SIENNA (RM787U)
Author : Date : 1567
BE-50
BODY ELECTRICAL - COMBINATION METER
5. INSPECT FUEL SENDER GAUGE RESISTANCE
Measure the resistance between terminals 2 and 3 for each
3 2 1
float position.
F Float position mm (in.) Resistance ()
F: Approx. 80.3 (3.161) Approx. 3.0
1/2
1/2: Approx. 23.0 (0.906) Approx. 31.5
E E: Approx. 36.0 (1.417) Approx. 110.0
If resistance value is not as specified, replace the sender
F02905
gauge.
Warning Light 6. INSPECT FUEL LEVEL WARNING LIGHT
(a) Disconnect the connector from the sender gauge.
Ignition (b) Connect terminals 1 and 3 on the wire harness side con-
Switch nector.
(c) Turn the ignition switch ON, check that the warning light
Battery lights up.
1 2
If the warning light does not light up, test the bulb or inspect wire
3
4 5
harness.
BE1217 Ie-5-1-A Z05730
3 1 7. INSPECT FUEL LEVEL WARNING SWITCH
(a) Apply battery positive voltage between terminals 1 and 3
through a 3.4-W test bulb, check that the bulb lights up.
HINT:
It takes a short time for the bulb to light up.
F02903
3 1
(b) Submerge the switch in fuel, check that the bulb goes out.
If operation is not as specified, replace the sender gauge.
F02904
Engine Coolant Temperature Gauge: 8. INSPECT ENGINE COOLANT TEMPERATURE RE-
CEIVER GAUGE OPERATION
(a) Disconnect the connector from the sender gauge.
Ignition
Switch
(b) Turn the ignition switch ON and check that the receiver
Sender gauge needle indicates COOL.
Battery Gauge
N20215
2001 SIENNA (RM787U)
Author : Date : 1568
BE-51
BODY ELECTRICAL - COMBINATION METER
(c) Ground terminal on the wire harness side connector
Engine Coolant Temperature Gauge:
through a 3.4-W test bulb.
(d) Turn the ignition switch ON, and check that the bulb lights
Ignition Test Bulb up and the receiver gauge needle moves to the hot side.
Switch (3.4-W) If operation is as specified, replace the sender gauge.
Wire Harness Side Then recheck the system.
Battery
If operation is not as specified, measure the receiver gauge re-
sistance.
Z15788
w/o Tachometer: 9. INSPECT ENGINE COOLANT TEMPERATURE RE-
C CEIVER GAUGE RESISTANCE
Measure the resistance between terminals.
Tester connection Resistance ()
B A-B Approx. 175.7
A-C Approx. 54.0
B-C Approx. 229.7
A
HINT:
Connect the test leads so that the current from the ohmmeter
w/ Tachometer: can flow according to the above order.
This circuit includes the diode.
A If resistance value is not as specified, replace the receiver
gauge.
B
C
I03111
10. INSPECT ENGINE COOLANT TEMPERATURE SEND-
ER GAUGE RESISTANCE
Connect the wire harness as shown in the illustration, and enter
the value in the left formula. Check the resistance comforms to
the values in the table below.
Temperature ◦ Jabse Service Manual Search 2026 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo