Hyundai Elantra HD: Repair procedures
Inspection
[System Inspection]
| 1. |
Disconnect the vacuum hose from the throttle body, and connect
a vacuum pump to the vacuum hose.
|
| 2. |
Check the following points when the engine is cold [engine coolant
temperature 60°C(140°F) or below] and when it is warm [engine coolant
temperature 80°C(176°F) or higher].
|
When Engine Is Cold
|
Engine operating condition |
Applied vacuum |
Result |
|
Idling |
50 kPa (7.3 psi) |
Vacuum is held |
|
3,000 rpm |
When Engine Is Warm
|
Engine operating condition |
Applied vacuum |
Result |
|
Idling |
50 kPa (7.3 psi) |
Vacuum is held |
|
Within 3 minutes after engine start at 3,000 rpm |
Try to apply vacuum |
Vacuum is released |
|
After 3 minutes have passed after engine start at 3,000 rpm |
50 kPa (7.3 psi) |
Vacuum will be held momentarily, after which, it will be released |
[PCSV Inspection]
When disconnecting the vacuum hose, make an identification mark
on it so that it can be reconnected to its original position.
|
| 1. |
Disconnect the vacuum hose from the solenoid valve.
|
| 2. |
Detach the harness connector.
|
| 3. |
Connect a vacuum pump to the nipple which is connected to intake
manifold.
|
| 4. |
Apply vacuum and check when voltage is applied to the PCSV and
when the voltage is discontinued.
|
| 5. |
Measure the resistance between the terminals of the solenoid valve.
|
