Toyota Sienna Service Manual: Inspection
1. INSPECT TIRE PRESSURE WARNING RESET SWITCH
(a) Remove the tire pressure warning reset switch.
(b) Measure the resistance between terminals 1 and 2 of the tire pressure warning reset switch when the tire pressure warning switch is ON and OFF.
Standard resistance
If the result is not as specified, replace the tire pressure warning reset switch.
Removal
1. DISCONNECT CABLE FROM NEGATIVE BATTERY
TERMINAL
2. REMOVE FRONT DOOR SCUFF PLATE LH
3. REMOVE COWL SIDE TRIM SUB-ASSEMBLY LH
4. REMOVE LOWER INSTRUMENT PANEL FINISH
PANEL SUB-ASSEMBLY LH (See ...
Installation
1. INSTALL TIRE PRESSURE WARNING RESET SWITCH
(a) Engage the 2 claws to install the tire pressure
warning reset switch to the lower instrument panel
finish panel sub-assembly LH.
2. INSTALL LO ...
Other materials:
Removal
1. REMOVE INSTRUMENT CLUSTER CENTER NO. 1 FINISH PANEL
2. REMOVE INSTRUMENT CLUSTER CENTER NO. 2 FINISH PANEL
3. REMOVE INSTRUMENT CLUSTER FINISH PANEL GARNISH
4. REMOVE RADIO RECEIVER
Remove the 4 screws.
Disconnect the connectors and remove the radio
receiver with bracke ...
Front Occupant Classification Sensor RH Circuit
Malfunction
DTC B1781 Front Occupant Classification Sensor RH Circuit
Malfunction
DESCRIPTION
The front occupant classification sensor RH circuit consists of the occupant
classification ECU and the
front occupant classification sensor RH.
DTC B1781 is recorded when a malfunction is detected in the fron ...
Engine Coolant Temperature Circuit Range / Performance Problem
DESCRIPTION
Refer to DTC P0115 (See page ES-133).
MONITOR DESCRIPTION
The ECT sensor is used to monitor the ECT. The ECT sensor has a built-in
thermistor with a resistance
that varies according to the temperature of the engine coolant. When the ECT
becomes low, the
resistance of the ...
