Reference
โNOTE:
The following tools may be required for proper diagnosis:
1. JT05473
2. JT03364
3. AR94522 (Internal Half)
4. JT05494
( 1 ) Install Test Equipment
Action:
[1] – Assemble gauge, hose, and adapter.
[2] – Connect test equipment into any SCV outlet.
Result:
YES: Go To 2.
( 2 ) Perform SCV Leakage Test
Action:
[1] – Warm hydraulic oil. (See Hydraulic Oil Warm-up Procedure in this Group.)
[2] – Run engine at fast idle.
[3] – Move SCV lever to pressurize test outlet. Hold until system goes into relief.
[4] – Release lever and record the time it takes for pressure to drop below 3459 kPa (34.5 bar) (500 psi).
[5] – Repeat for remaining valves and outlets.
[6] – Compare recorded time with specification below.
Result:
YES: Return to diagnosis in progress.
NO: Service SCV(s).