Airflow Inspection
1. Remove the vacuum hose..
2. Blow air into the vacuum hose using your mouth from the vacuum pump side and verify that the air flows to the intake manifold side, then blow air from the intake manifold side and verify that the air does not flow to the vacuum pump side.

If there is any malfunction in the check valve, replace it with the vacuum hose as a single unit..
Air Bypass Valve Inspection [Mzr 2.3 Disi Turbo]
Compression Inspection [Mzr 2.0, Mzr 2.5]Solenoid Valve Removal/Installation [FS5 A EL]
WARNING:
A hot transaxle and ATF can cause severe burns. Turn off the engine and wait
until they are cool.
Primary Control Valve Body
1. Remove the primary control valve body.
a. Remove the battery cover..
b. Disconnect the negative battery cable.
c. Remove the aerodynamic un ...
Oil Pressure Switch Inspection
MZR 2.0, MZR 2.5, MZR 2.3 DISI Turbo
WARNING:
A hot engine can cause severe burns. Turn off the engine and wait until it
is cool before removing the exhaust system.
1. Disconnect the negative battery cable..
2. Remove the aerodynamic under cover No.2..
3. Remove the oil pressur ...
Front Shock Absorber And Coil Spring Removal/Installation
CAUTION:
Performing the following procedures without first removing the ABS wheel-speed
sensor may possibly cause an open circuit in the wiring harness if it is pulled
by mistake. Before performing the following procedures, disconnect the ABS wheel-speed
sensor wiring harness connec ...