TROUBLESHOOTING H-2
PC58UU-3
20-511
1
From previous page Cause Remedy
10
When TVC connector is discon-
nected, does engine speed lower
more?
No
Yes
11
When PC valve is adjusted, is trouble
repaired?
No
Yes
Defective PC valve
Adjust or
replace
12
When orifice of servo is cleaned, is
trouble repaired?
No
Yes
Clogged orifice
13
When EPC valve TVC is replaced, is
trouble repaired?
No
Carry out troubleshooting
No. 11
—
Yes
Defective EPC valve
Repair or
replace
14
When pump assembly is replaced, is
trouble repaired?
No
Defective engine system —
Yes
Defective pump or servo
Repair or
replace
To Next Page
Loading...
Need help?
General
