Operation CHARM: Car repair manuals for everyone.
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Component Inspection





Component Inspection

1. Ignition "ON" & Engine "OFF".
2. Measure voltage between terminal "1" of the pressure sensor harness connector and chassis ground.
A. Specification : Approx. 0.5V




3. Is the measured voltage within specifications?
YES
1) Fault is intermittent caused by faulty HECU or was repaired and HECU memory was not cleared. go to "Verification of Vehicle Repair" procedure.
NO
1) Substitute with a known-good pressure sensor and check for proper operation. If problem is corrected, replace pressure sensor and then go to "Verification of Vehicle Repair" procedure.