Toyota Sienna Service Manual: Inspection
1. V
(a) Inspect VSV operation.
(1) Using an ohmmeter, measure the resistance according to the value(s) in the table below.V
Standard resistance
If the result is not as specified, replace the vsv.
(B) inspect the vsv for ground.
(1) 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 vsv.
(2) Inspect vsv operation.
- Check that air flows from port E to the filter.
- Apply battery voltage across the terminals.
- Check that air flows from port E to port F.
If operation is not as specified, replace the VSV.
Vacuum switching valve
Components
REMOVAL
1. REMOVE VACUUM SWITCHING VALVE ASSEMBLY
(a) Remove the 2 vacuum hoses and vacuum switching
valve connector.
(b) Remove the screw and vacuum switching valve. ...
Installation
1. Install vacuum switching valve assembly
(a) Install the vacuum switching valve with the screw.
(b) Install the 2 vacuum hoses and vacuum switching
valve connector. ...
Other materials:
Cooling fan relay
On-vehicle inspection
1. Cooling fan relay
(a) Remove the relay from engine room relay block No.
1.
(b) Measure the resistance of the relay.
Standard resistance
If the result is not as specified, replace the cooling
fan relay.
(c) Install the relay to engine room relay block No. ...
Problem symptoms table
Vehicle stability control system:
TERMINALS OF ECU
1. Terminal of ECU
(*1): Models with dynamic laser cruise control
(*2): 2WD model
2. Terminal Inspection
(a) Disconnect the connector and measure the voltage or resistance on the wire harness side.
HINT: Voltage cannot be measured wit ...
Oxygen Sensor Heater Control Circuit
HINT:
Sensor 2 refers to the sensor mounted behind the Three-Way Catalytic
Converter (TWC) and located
furthest from the engine assembly.
DESCRIPTION
Refer to DTC P0136 (See page ES-160).
HINT:
When any of these DTCs are set, the ECM enters fail-safe mode. The ECM turns
off the Heated ...
