Toyota Sienna Service Manual: Vacuum switching valve

Vacuum tank

On-vehicle inspection 1. Inspect air cleaner cap sub-assembly (A) check that air flows from port b to port a. (B) apply 60 kpa (450 mm hg, 18 in. Hg) of vacuum to port b. Check that there is ...

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 t ...

Other materials:

Occupant Classification Sensor Power Supply Circuit Malfunction
DTC B1793 Occupant Classification Sensor Power Supply Circuit Malfunction DESCRIPTION The occupant classification sensor power supply circuit consists of the occupant classification ECU and the occupant classification sensors. DTC B1793 is recorded when a malfunction is detected in the occu ...

Installation
1. INSTALL TIMING CHAIN CASE OIL SEAL (a) Using SST, tap in a new oil seal until its surface is flush with the timing chain case edge. SST 09223-22010, 09506-35010 NOTICE: Keep the lip free from foreign matter. Do not tap on the oil seal at an angle. Make sure that the oil ...

Throttle / Pedal Position Sensor / Switch "A" Circuit Range / Performance Problem
HINT: This DTC relates to the Throttle Position (TP) sensor. DESCRIPTION Refer to DTC P0120 (See page ES-145). MONITOR DESCRIPTION The ECM uses the TP sensor to monitor the throttle valve opening angle. This sensor transmits two signals: VTA1 and VTA2. VTA1 is used to detect the th ...