1. INSPECT VENTILATION VALVE

(a) Install a clean hose to the ventilation valve.
(b) Check the ventilation valve operation.
(1) Blow air into the cylinder head side, and check that air passes through easily.
| NOTICE:
Do not suck air through the valve.
Petroleum substances inside the valve are hazardous to your health. |
(2) Blow air into the intake manifold side, and check that air passes through with difficulty.
If the result is not as specified, replace the ventilation valve.
(c) Remove the clean hose from the ventilation valve.

Removal
InstallationData list / active test
1. DATA LIST
HINT:
By the DATA LIST displayed by the intelligent tester, you
can read the value of the switch, sensor, actuator and so
on without removing any part. Reading the DATA LIST
as the first step in troubleshooting is one of the methods
to shorten the labor time.
Connect the ...
Freeze frame data
1. FREEZE FRAME DATA
(a) Whenever a DTC is detected or the ABS operates,
the skid control ECU stores the current vehicle
(sensor) state as freeze frame data.
The skid control ECU stores the number of times
(maximum: 31) the ignition switch has been turned
from OFF to the ON position since th ...
Precaution
1. REMOVAL AND INSTALLATION OF THE BATTERY TERMINAL
Before performing electrical work, disconnect the
battery negative (-) terminal in order to prevent a
short in the system.
When disconnecting and reconnecting the battery
cable, turn the ignition switch and lighting swit ...