ENGINE CONTROL SYSTEM (J08E)
4–1279
1.
Check if the breather hose is clogged, punctured, or bent.
2.
Make sure the check valve is functioning normally.
NO
YES
1.
Make sure the fuel tank feed pipe is not clogged.
NO
YES
1.
Drain fuel out of the fuel tank and check if there are foreign objects
inside the tank.
NO
YES
1.
Make sure the gauze filter (built into the supply pump) is not
clogged.
8
Inspect the fuel tank breather
Was any failure found?
Repair or replace the faulty part, and go to
step 9.
Go to step 9.
9
Inspect the fuel tank feed pipe
Was any failure found?
Repair or replace the faulty part, and go to
step 10.
Go to step 10.
10
Inspect the fuel tank
Was any failure found?
Remove the foreign object and clean the fuel
tank, then go to step 11.
Go to step 11.
11
Inspect the supply pump gauze filter
Was any failure found?
Summary of Contents for 238
Page 201: ...ENGINE CONTROL SYSTEM J08E 4 978 Harness disconnection or short circuit ...
Page 215: ...ENGINE CONTROL SYSTEM J08E 4 992 Malfunction of sensor 2 Malfunction of engine ECU ...
Page 301: ...ENGINE CONTROL SYSTEM J08E 4 1078 8 Estimated failure factors Malfunction of engine ECU ...
Page 709: ...DEF SCR SYSTEM DCU 5 143 8 Estimated failure factors DEF pump pressure sensor malfunction ...
