Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota 4Runner 1996-2003 Approved SIL techinfo.toyota.com ileaf 02toyrm 02toypdf 02rmsour 2002 024runne di eg5vzfe ecmpower
<< Back | HomeMost service manuals and schematics are PDF files, so You will need Adobre Acrobat Reader to view : Acrobat Download Some of the files are DjVu format. Readers and resources available here : DjVu Resources
For the compressed files, most common are zip and rar. Please, extract files with Your favorite compression software ( WinZip, WinRAR ... ) before viewing. If a document has multiple parts, You should download all, before extracting.
Good luck. Repair on Your own risk. Make sure You know what You are doing.
Image preview - the first page of the document
>> Download ecmpower documenatation <<
Text preview - extract from the document
DI-148
DIAGNOSTICS - ENGINE (5VZ-FE)
DI0SJ-08
ECM Power Source Circuit
CIRCUIT DESCRIPTION
When the ignition switch is turned ON, battery positive voltage is applied to the coil, closing the contacts of
the EFI main relay (Marking: EFI) and supplying power to terminal +B of the ECM.
WIRING DIAGRAM
I14 ECM
IG Switch Driver Side J/B
4 IGN 10 15
W-R B-R B-L IGSW
1I 1F E14
7 6
14 4
GR-B GR-B MREL
IG1 E14
2 Engine
1 D D 1 +B
Room W-L W-L W-L
IG1 J7 J7 E14
2 R/B
AM2
+B
1 EFI Engine Room R/B J/C
2 2
1 2 W-B
2
2
3 2
GR-B
EFI
A J2
Relay
W J/C
5 1 17
BR E1
A J1 E10
2 2
W-B
L-R
Battery
EB EC
A07746
INSPECTION PROCEDURE
1 Check voltage between terminals +B and E1 of ECM connectors.
PREPARATION:
+B
(a) Remove the glove compartment (See page SF-54 ).
(b) Turn the ignition switch ON.
CHECK:
Measure the voltage between terminals +B and E1 of the ECM
connectors.
(-) (+)
E1 OK:
Voltage: 9 - 14 V
A15324
OK Proceed to next circuit inspection shown on
problem symptoms table (See page DI-20 ).
2002 4RUNNER (RM887U)
Author : Date : 324
DI-149
DIAGNOSTICS - ENGINE (5VZ-FE)
NG
2 Check for open in harness and connector between terminal E1 of ECM and body
ground (See page IN-28 ).
NG Repair or replace harness or connector.
OK
3 Check EFI main relay (Marking: EFI) (See page SF-35 ).
NG Replace EFI main relay.
OK
4 Check EFI fuse (See page DI-148 , step 2).
NG Check for short in all harness and components
connected to EFI fuse.
OK
5 Check for open harness and connector between EFI main relay (Marking: EFI)
and battery, and EFI main relay and ECM (See page IN-28 ).
NG Repair or replace harness or connector.
OK
2002 4RUNNER (RM887U)
Author : Date : 325
DI-150
DIAGNOSTICS - ENGINE (5VZ-FE)
6 Check IGN fuse.
Driver Side J/B IGN Fuse PREPARATION:
Remove the IGN fuse from the driver side J/B.
CHECK:
Check the continuity of the IGN fuse.
OK:
Continuity
NG Check for short in all harness and components
A15325
connected to IGN fuse.
OK
7 Check ignition switch (See page BE-12 ).
NG Replace ignition switch (See page SR-17 ).
OK
Check for open in harness and connector between ignition switch and EFI main relay (Marking:
EFI), and EFI main relay and body ground (See page IN-28 ).
2002 4RUNNER (RM887U)
Author : Date : 326
◦ Jabse Service Manual Search 2026 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo