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 abswebdb cic12575
<< 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 cic12575 documenatation <<
Text preview - extract from the document
DI-324
DIAGNOSTICS - ABS WITH EBD & BA & TRAC & VSC SYSTEM
DI6BX-03
DTC C1257 / 57 Power Supply Drive Circuit
CIRCUIT DESCRIPTION
DTC No. DTC Detecting Condition Trouble Area
S Battery
C1257 / 57 When malfunction inside ECU is detected. S Power source circuit
S Skid control ECU
WIRING DIAGRAM
I14 Skid Control ECU
Driver Side J/B
Ignition Switch
ECU-IG 7
W B-Y 2 3 Y
1I 1G V19 IG1
2 AM1 IG1 4
Engine Room R/B
AM1 ALT
2 2
2 1 2 1
W
6
W-B
V16 GND2
31
W-B
V16 GND1
J9
8
W-B
V19 GND3
A
J/C J4
16
W-B
V19 GND4
A
Battery EA IF IE J/C
F14343
2002 4RUNNER (RM887U)
Author : Date : 500
DI-325
DIAGNOSTICS - ABS WITH EBD & BA & TRAC & VSC SYSTEM
INSPECTION PROCEDURE
1 Check battery positive voltage.
OK:
Voltage: 10 - 14 V
NG Check and repair the charging system.
OK
2 Check ECU-IG fuse.
Driver Side J/B PREPARATION:
Remove the ECU-IG fuse from the driver side J/B.
CHECK:
Check continuity of the ECU-IG fuse.
OK:
Continuity
ECU-IG
F13788
NG Check for short circuit in all the harnesses and
components connected to ECU-IG fuse (See at-
tached wiring diagram).
OK
2002 4RUNNER (RM887U)
Author : Date : 501
DI-326
DIAGNOSTICS - ABS WITH EBD & BA & TRAC & VSC SYSTEM
3 Check voltage of ECU IG power source.
In case of using the hand-held tester:
PREPARATION:
(a) Connect the hand-held tester to DLC3.
(b) Turn the ignition switch ON and push the hand-held tester main switch ON.
(c) Select the DATALIST mode on the hand-held tester.
CHECK:
Check the voltage condition output from the ECU displayed on the hand-held tester.
OK:
"Normal" is displayed.
ON In case of not using the hand-held tester:
PREPARATION:
V16
V19 Remove the skid control ECU with the connectors still con-
8 nected.
7
6
CHECK:
(a) Turn the ignition switch ON.
(b) Measure voltage between terminals IG1 (V19 - 7) and
31 16 GND (V16 - 6, 31, V19 - 8, 16) of the skid control ECU
F13777 connector.
OK:
Voltage: 10 - 14 V
OK Check and replace skid control ECU.
NG
2002 4RUNNER (RM887U)
Author : Date : 502
DI-327
DIAGNOSTICS - ABS WITH EBD & BA & TRAC & VSC SYSTEM
4 Check continuity between terminal GND of skid control ECU and body ground.
LOCK PREPARATION:
Disconnect the 2 connectors (V16, V14) from the skid control
V16 V19
ECU.
CHECK:
8 Measure resistance between terminal GND (V16 - 6, 31, V19
- 8, 16) of the skid control ECU and body ground.
31 OK:
6 Resistance: 1 or less
16
F13783
NG Repair or replace harness or connector.
OK
Check for open circuit in harness and connector between skid control ECU and battery (See page
IN-28 ).
2002 4RUNNER (RM887U)
Author : Date : 503
◦ Jabse Service Manual Search 2026 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo