Check For Short Circuit; Check For Open Circuit - Toyota 22R-E Service Manual

ENGINE – EMISSION CONTROL SYSTEMS

2. CHECK FOR SHORT CIRCUIT

Using an ohmmeter, check that there is no continuity
between the terminals and the VSV body.

3. CHECK FOR OPEN CIRCUIT

Using an ohmmeter, measure the resistance between
the terminals.
Specified resistance: 30 – 50 W at 20S C(68S F)
If the resistance is not within specification, replace
the VSV.
EGR VALVE INSPECTION
1. REMOVE EGR VALVE
Check the valve for sticking and heavy carbon de–
posits. If a problem is found, replace it.
2. INSTALL EGR VALVE WITH NEW GASKET
EG1–95