Page 3465 of 4323
BE17A±06
I28425
Brake Master Cylinder
Brake Fluid Level Warning Switch
Engine Room R/B
ECU±B Fuse
Light Control Rheostat
Combination Meter Assembly
Instrument Panel J/B
IGN 2 Fuse
GAUGE Fuse
Parking Brake SwitchIgnition Switch
Passenger Seat Belt Warning
Skid Control ECU
± BODY ELECTRICALCOMBINATION METER
BE±53
3457 Author: Date:
2005 SEQUOIA (RM1146U)
COMBINATION METER
LOCATION
Page 3466 of 4323
I28426
Fuel Tank
Fuel Sender Gauge
BE±54
± BODY ELECTRICALCOMBINATION METER
3458 Author: Date:
2005 SEQUOIA (RM1146U)
Page 3467 of 4323

BE2MR±01
N06031
± BODY ELECTRICALCOMBINATION METER
BE±55
3459 Author: Date:
2005 SEQUOIA (RM1146U)
INSPECTION
1. INSPECT SPEEDOMETER ON±VEHICLE
Using a speedometer tester, inspect the speedometer for allow-
able indication error and check odometer operation.
HINT:
Tire wear and tire over or under inflation will increase the indica-
tion error.
USA (mph)CANADA (km/h)
Standard indication Allowable rangeStandard indication Allowable range
20 19 ± 2220 17.5 ± 21.5
40 39 ± 42.540 38 ± 42
60 59.5 ± 63.560 58 ± 63
80 79.5 ± 8480 78 ± 84
100 100 ± 105100 98.5 ± 104.5
±120 119 ± 125
±140 139 ± 145
±160 159 ± 167
If error is excessive, replace the speedometer.
2. INSPECT TACHOMETER
(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.
DC 13.5 V 20°C at (68°F)
Standard indicationAllowable range
700630 ± 770
1,000900 ± 1,100
2,0001,850 ± 2,150
3,0002,800 ± 3,200
4,0003,800 ± 4,200
5,0004,800 ± 5,200
6,0005,750 ± 6,250
If error is excessive, replace the tachometer.
3. INSPECT FUEL RECEIVER GAUGE OPERATION
(a) Disconnect the connector from the sender gauge.
(b) Turn the ignition switch ON and check that the receiver
gauge needle indicates EMPTY.
Page 3468 of 4323

I21530
Ignition
Switch
Battery(Wire Harness Side)(3.4W) Fuel Gauge
Z05730
Warning Light
Ignition
Switch
Battery
1
23
45
Wire
Harness Side:
I28772
I01278
BE±56
± BODY ELECTRICALCOMBINATION METER
3460 Author: Date:
2005 SEQUOIA (RM1146U)
(c) Connect terminals 2 and 3 on the wire harness side con-
nector through a 3.4 watts test bulb.
(d) Turn the ignition switch ON, check that the bulb comes on
and the receiver gauge needle moves towards the full
side.
HINT:
Because of silicon oil in the gauge, it will take a short time for
the needle to stabilize.
If operation is not as specified, inspect the receiver gauge resis-
tance.
4. INSPECT FUEL LEVEL WARNING LIGHT OPERATION
(a) Disconnect the connector from the sender gauge.
(b) Connect terminals 2 and 3 on the wire harness side con-
nector.
(c) Turn the ignition switch ON and check that the warning
light comes on.
If the warning light does not come on, test the bulb or inspect
the wire harness.
5. INSPECT ENGINE COOLANT TEMPERATURE SEND-
ER GAUGE RESISTANCE
(a) Disconnect the engine coolant temperature sender
gauge.
(b) Measure the resistance between terminals 1 and 2 of the
connector according to the value(s) in the table below.
Temperature °C (°F)Resistance (W)
±20 (±4)13,840 to 16,330
20 (68)2,320 to 2,590
80 (176)310 to 326
110 (230)139.9 to 143.5
If resistance value is not as specified, replace the engine cool-
ant sender gauge.
6. INSPECT OIL PRESSURE SENDER OPERATION
(a) Disconnect the connector from the oil pressure sender.
(b) Check that no continuity exists between terminal and
ground with the engine stopped.
(c) Check that continuity exists between terminal and ground
with the engine running.
HINT:
Oil pressure should be over 24.5 kPa (0.25 kgf/cm
2, 3.55 psi).
If operation is not as specified, replace the oil pressure sender.
Page 3469 of 4323

I01279
Warning Light
Ignition
Switch
Battery
I19428
21OFF
ON
N01212
BE1217
Warning Light
Ignition
Switch
Battery
± BODY ELECTRICALCOMBINATION METER
BE±57
3461 Author: Date:
2005 SEQUOIA (RM1146U)
7. INSPECT BRAKE WARNING LIGHT OPERATION
(a) Disconnect the connector from the brake fluid warning
switch.
(b) Release the parking brake pedal.
(c) Connect the terminals on the harness side of the level
warning switch connector.
(d) Start the engine and check that the warning light comes
on.
If the warning light does not come on, test the bulb or wire har-
ness.
8. INSPECT BRAKE FLUID LEVEL WARNING SWITCH
CONTINUITY
(a) Remove the reservoir tank cap and strainer.
(b) Disconnect the connector.
(c) Check that no continuity exists between the terminals with
the switch OFF (float up).
(d) Use siphon, etc. to drain fluid out of the reservoir tank.
(e) Check that continuity exists between the terminals with
the switch ON (float down).
(f) Pour the fluid back in the reservoir tank.
If continuity is not as specified, replace the switch.
9. INSPECT PARKING BRAKE SWITCH CONTINUITY
(a) Check that continuity exists between the terminal and
switch body with the switch ON (switch pin released).
(b) Check that no continuity exists between the terminal and
switch body with the switch OFF (switch pin pushed in).
If operation is not as specified, replace the switch or inspect
ground point.
10. INSPECT WASHER LEVEL WARNING LIGHT OPERA-
TION
(a) Disconnect the connectors from the combination meter.
(b) Connect the negative (±) lead from the battery to terminal
16.
(c) Turn the ignition switch ON and check that the warning
light comes on.
If the warning light does not come on, test the bulb.
Page 3470 of 4323

N07797
OFF
ON
BE0044
Warning Light
Ignition
Switch
Battery
I28507
4
10
BE±58
± BODY ELECTRICALCOMBINATION METER
3462 Author: Date:
2005 SEQUOIA (RM1146U)
11. INSPECT WASHER LEVEL SWITCH CONTINUITY
(a) Check that there is no continuity between terminals with
the switch OFF (float up).
(b) Check that there is continuity between terminals with the
switch ON (float down).
If operation is not as specified, replace the jar & pump assem-
bly.
12. INSPECT BUCKLE SWITCH CONTINUITY
(See page DI±1126)
13. INSPECT OPEN DOOR WARNING LIGHT OPERATION
(a) Disconnect the connector from the door courtesy switch
and ground terminal on the wire harness side connector.
(b) Check that the warning light comes on.
If the warning light does not come on, test the bulb.
14. INSPECT PASSENGER SEAT BELT WARNING LIGHT
(a) Remove the center cluster finish panel.
(b) Disconnect the connectors from the center cluster in-
tegration.
(c) Connect the positive (+) lead from the battery to terminal
4 and the negative (±) lead to terminal 10, and check that
the warning light comes on.
If the warning light does not come on, inspect the bulb or wire
harness (See page DI±1126).
Page 3471 of 4323

± BODY ELECTRICALCOMBINATION METER
BE±59
3463 Author: Date:
2005 SEQUOIA (RM1146U)
15. INSPECT DRIVER'S SEAT BELT WARNING BUZZER
(a) Check warning buzzer function.
(1) Turn the ignition switch ON and check that the driver's seat belt warning buzzer sounds if the
driver 's seat belt is not fastened.
(2) Check that the buzzer stops after about 6 seconds.
16. INSPECT KEY REMINDER WARNING BUZZER
(a) Check warning buzzer function.
(1) Turn the ignition switch OFF and check that the key reminder warning buzzer sounds if the igni-
tion key is inserted into the key cylinder and the front driver side door is opened.
17. MAINTENANCE LIQUID RESETTING PROCEDURE
Indicator Condition:
StateConditionSpecified State
BlinkingThe vehicle has traveled 4,500 miles after the
previous settingThe indicator blinks for 12 seconds after the igni-
tion switch is turned on (including 3 seconds for a
valve check).
Continuously IlluminatedThe vehicle has traveled 5,000 miles after the
previous settingThe indicator is continuously illuminated after the
ignition switch is turned on.
(a) Set the display window to ODO.
(b) Turn the ignition switch off.
(c) Pressing the reset switch, turn the ignition switch to the ON position (keep pressing for at least 5 se-
conds).
(d) Reset procedure is completed.
HINT:
If the ignition switch is turned off during the reset procedure, reset mode is canceled.
If the reset switch is turned off during the reset procedure, reset mode is canceled and the display
shows the condition prior to the reset procedure.
Page 3472 of 4323
BE260±05
I28409
Instrument Panel J/B
ECU±IG Fuse
GAUGE FuseOverhead Module
Compass
BE±60
± BODY ELECTRICALCOMPASS
3464 Author: Date:
2005 SEQUOIA (RM1146U)
COMPASS
LOCATION