FRONT AXLE ± On-vehicle Service
26-13
4. Connect a hand vacuum pump to solenoid valve B. Apply
negative pressure and carry out the following inspections.
(9) When battery voltage is not applied to any terminals,
the negative pressure is held.
(10)When battery voltage is applied to solenoid valve
B, the negative pressure is not held.
(11) When battery voltage is applied to solenoid valve
A, the negative pressure is not held.
5. Measure the resistance of solenoid valves A and B.
Standard value: 36 ± 46 Ω
Check valve
Vacuum tank
Solenoid
valve A
Solenoid valve B