Toyota CH-R Service Manual: On-vehicle Inspection




(a) Slide the clip and disconnect the union to connector tube hose from the vacuum pump assembly.

(b) Connect the hose of a vacuum gauge to the vacuum pump assembly.


Vacuum Gauge

(c) Start the engine and warm it up for more than 2 minutes.

(d) With the engine idling, measure the negative pressure of the vacuum pump assembly.

Standard Pressure:

Higher than 86.7 kPa (650 mmHg, 25.6 in.Hg)

If the pressure is less than the standard, disassemble and inspect the vacuum pump. If necessary, replace the vacuum pump assembly.

Click here


Always perform this operation check procedure after replacing or servicing the vacuum pump assembly.

(e) Remove the vacuum gauge from the vacuum pump assembly.

(f) Connect the union to connector tube hose to the vacuum pump assembly, and slide the clip to secure it.

    COMPONENTS ILLUSTRATION *1 ENGINE WIRE *2 NO. 2 CYLINDER HEAD COVER N*m (kgf*cm, ft.*lbf): Specified torque - ...

    REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed, installed, or replaced during va ...

    Other materials:

    Toyota CH-R Service Manual > Automatic Headlight Beam Level Control System: Height Control Sensor Data Out of Range When Initializing (B2452)
    DESCRIPTION The headlight ECU sub-assembly LH stores this DTC if the sensor value received from the rear height control sensor sub-assembly LH is out of range when performing initialization of the headlight ECU sub-assembly LH; for example, the vehicle is not level or being jack up. ...

    Toyota CH-R Service Manual > Pre-collision System: Data List / Active Test
    DATA LIST / ACTIVE TEST DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may ...

    Toyota CH-R Owners Manual

    Toyota CH-R Service Manual

    © 2017-2022 Copyright