FAILURE DIAGNOSIS
1-184
TNV DI Service Manual
Method and Procedure of Failure Diagnosis
Wiring Diagram
*For the E-ECU Pin Layout, see [E-ECU Pin Layout Diagram] (P.1-134).
: Check points
E01 E48 E21
E11 E48 E31
STPM-B
E21
E-ECU
STPM-A
E31
+
−
10A
E11
E48
STPM-C
VB
MAIN-RLY
E34
STPM-D
E01
017554-00E
EGR side coupler
(coupling face)
Battery
Fuse
EGR valve
Main relay
1
2
3
6
5
4
2
6
3
4
1
5
ECU
Harness side coupler
(coupling face)
TNV_DI_SM_A4-Troubleshooting.book 184 ページ 2007年11月15日 木曜日 午後5時27分