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 cic12424
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DI-288
DIAGNOSTICS - ABS WITH EBD & BA & TRAC & VSC SYSTEM
DI6BN-03
DTC C1242 / 42 IG2 Power Source Circuit
CIRCUIT DESCRIPTION
DTC No. DTC Detecting Condition Trouble Area
S Battery
With the vehicle running, open circuit in IG2 is detected for
C1242 / 42 S Charging system
more than 7 sec.
S Power source circuit
WIRING DIAGRAM
Skid Control ECU
Driver Side J/B
1 IGN 6 18
B-R GR-B
1I 1K V17 IG2
I14 Engine Room R/B
Ignition Switch
AM2
W-R
2 2
6 IG2 AM2 7 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
F14344
2002 4RUNNER (RM887U)
Author : Date : 464
DI-289
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 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.
LOCK In case of not using the hand-held tester:
V16 V17 PREPARATION:
V19
Remove the skid control ECU with the connectors still con-
nected.
31 6 18 16 8
CHECK:
(a) Turn the ignition switch ON.
(b) Measure voltage between terminals IG2 (V17 - 18) and
GND (V16 - 6, 31, V19 - 8, 16) of the skid control ECU.
F13784 OK:
Voltage: 10 - 14 V
OK Check and replace skid control ECU.
NG
2002 4RUNNER (RM887U)
Author : Date : 465
DI-290
DIAGNOSTICS - ABS WITH EBD & BA & TRAC & VSC SYSTEM
3 Check continuity between terminal GND of skid control ECU connector and body
ground.
LOCK PREPARATION:
Disconnect the connectors (V16, V19) 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 connector 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 : 466
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