Toyota Sienna Service Manual: Air fuel ratio sensor relay
INSPECTION
1. INSPECT AIR FUEL RATIO SENSOR RELAY
(a) Using an ohmmeter, measure the resistance according to the value(s) in the table below.
Standard resistance
If the result is not as specified, replace the relay.
Circuit opening relay
INSPECTION
1. INSPECT CIRCUIT OPENING RELAY
(a) Using an ohmmeter, measure the resistance
according to the value(s) in the table below.
Standard resistance
If the result is not as specified ...
Engine
ON-VEHICLE INSPECTION
1. INSPECT ENGINE COOLANT
(a) Inspect the engine coolant (See page CO-1).
2. INSPECT ENGINE OIL
(a) Inspect the engine oil (See page LU-1).
3. INSPECT BATTERY
(a) Inspect t ...
Other materials:
Brake fluid
Checking fluid level
The brake fluid level should be
between the “MAX” and “MIN”
lines on the tank.
“MAX” line
“MIN” line
Adding fluid
Lift the cover off.
Make sure to check the fluid type and prepare the necessary item.
Brake fluid can absorb moisture from t ...
For automatic air conditioning system
ON-VEHICLE INSPECTION
1. INSPECT AIR INLET CONTROL SERVO MOTOR
(a) Remove the air inlet control servo motor.
(b) Connect the positive (+) lead from the battery to
terminal 4 and negative (-) lead to terminal 5, then
check that the lever turns to "RECIRCULATION"
side smoothly.
...
Indicators
The indicators inform the driver of the operating state of the vehicle’s
various systems.
*1: If equipped
*2: These lights turn on when the engine switch is turned to the “ON” position
(vehicles without a smart key system) or IGNITION ON mode (vehicles
with a smart key system) to ...