DEF SCR SYSTEM (DCU)
5–244
INSPECTION PROCEDURE: P20B3
1.
Check the connection of the coolant cut off valve connector
(Looseness and poor contact).
NO
YES
1.
Set the starter switch to the "LOCK" position.
2.
Remove the connector of the coolant cut off valve.
3.
Use the electrical tester to measure the resistance between the
terminals of the coolant cut off valve.
NO
YES
1
Inspect the coolant cut off valve connector
Was any failure found?
Connect securely, repair if needed.
Go to step 2.
2
Inspect the coolant cut off valve unit
LDU
LDV
SAPH16F020400162
Measurement
conditions
Tester
connections
Standard values
Starter switch:
LOCK
Coolant cut off
valve connector
LDU
–
LDV
20
C {68
F}:
9.04
–
9.52
Do the measurements meet the standard value?
Go to step 3.
Replace the coolant cut off valve.
Perform "After-inspection work" of INFOR-
MATION section.
Содержание 238
Страница 201: ...ENGINE CONTROL SYSTEM J08E 4 978 Harness disconnection or short circuit ...
Страница 215: ...ENGINE CONTROL SYSTEM J08E 4 992 Malfunction of sensor 2 Malfunction of engine ECU ...
Страница 301: ...ENGINE CONTROL SYSTEM J08E 4 1078 8 Estimated failure factors Malfunction of engine ECU ...
Страница 327: ...ENGINE CONTROL SYSTEM J08E 4 1104 EGR valve malfunction Clogged air intake system VNT controller malfunction ...
Страница 709: ...DEF SCR SYSTEM DCU 5 143 8 Estimated failure factors DEF pump pressure sensor malfunction ...