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Check item Key Igition Position Action Standard Memo Note: Vacuum must be applied to vacuum booster when performing follwing checks. ON Depress pedal When LF wheel can not spin, pedal does not desecent Normally closed valve check LF wheel normally open valve and normally closed valve leakage check ON (both valves and pump power on simultaneously) Depress pedal When LF wheel can spin freely, pedal does not desecent Normally open
valve check ON Depress pedal When RF wheel can not spin, pedal does not desecent Normally closed valve check RF wheel normally open valve and normally closed valve leakage check ON (both valves and pump power on simultaneously) Depress pedal When RF wheel can spin freely, pedal does not desecent Normally open
valve check ON Depress pedal When LR wheel can not spin, pedal does not desecent Normally closed valve check LR wheel normally open valve and normally closed valve leakage check ON (both valves and pump power on simultaneously) Depress pedal When LR wheel can spin freely, pedal does not desecent Normally open
valve check ON Depress pedal When RR wheel can not spin, pedal does not desecent Normally closed valve check RR wheel normally open valve and normally closed valve leakage check ON (both valves and pump power on simultaneously) Depress pedal When RR wheel can spin freely, pedal does not desecent Normally open
valve check
Note: This item is performed using HYDRAULIC CONTROL UNIT DIAGNOSTIC (03) on scan tool. 25 |