Toyota Sienna Service Manual: Circuit opening relay
Inspection
1. INSPECT CIRCUIT OPENING RELAY
- 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.
EFI relay
Inspection
1. INSPECT EFI 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 ...
Air fuel ratio sensor relay
INSPECTION
1. INSPECT AIR FUEL RATIO SENSOR RELAY
Using an ohmmeter, measure the resistance
according to the value(s) in the table below.
Standard resistance
If the result is ...
Other materials:
Throttle Actuator Control Throttle Body Range / Performance
DESCRIPTION
The Electronic Throttle Control System (ETCS) is composed of the throttle
actuator, Throttle Position (TP)
sensor, Accelerator Pedal Position (APP) sensor, and ECM. The ECM operates the
throttle actuator to
regulate the throttle valve in response to driver inputs. The TP senso ...
How to proceed with
troubleshooting
1 VEHICLE BROUGHT TO WORKSHOP
2 CUSTOMER PROBLEM ANALYSIS
Interview the customer and confirm the trouble.
Confirm the problem by duplicating the conditions
described by the customer
3 BASIC INSPECTION
Basic inspection.
Measure the battery voltage.
Standard voltage:
11 ...
AUTO program
Concept
The AUTO program cools, ventilates or heats
the car's interior automatically.
The air distribution and temperature are controlled
automatically depending on the temperature
in the car's interior and the desired temperature
setting including the selected intensity of the air
flow.
Switching ...
