DEF SCR SYSTEM (DCU)
5–137
INSPECTION PROCEDURE: P2049
1.
Check the connection of the DEF injector connector (Looseness
and poor contact).
NO
YES
1.
Set the starter switch to the "LOCK" position.
2.
Disconnect the DEF injector connector.
3.
Use the electrical tester to measure the resistance between the
terminals of the DEF injector.
NO
YES
1
Inspect the DEF injector connector
Was any failure found?
Connect securely, repair if needed.
Perform "After-inspection work" of INFOR-
MATION section.
Go to step 2.
2
Inspect the DEF injector unit
DMH
DML
SAPH16F020400089
Measurement
conditions
Tester
connections
Standard values
Starter switch:
LOCK
DEF injector
DML
–
DMH
20
C {68
F}:
11.4
–
12.6
Do the measurements meet the standard value?
Go to step 3.
Replace the DEF injector.
Perform "After-inspection work" of INFOR-
MATION section.
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 ...
