Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Sienna 2004-2007 Approved SRM 04 05 2011i cic02781
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05-410
DIAGNOSTICS - ABS WITH EBD SYSTEM 057UI-03
DTC C0278/11 OPEN CIRCUIT IN ABS SOLENOID RELAY
CIRCUIT
DTC C0279/12 SHORT CIRCUIT IN ABS SOLENOID RELAY
CIRCUIT
CIRCUIT DESCRIPTION
This relay supplies power to each ABS solenoid. After the ignition switch is turned ON, if the initial check is
OK, the relay goes on.
DTC No. DTC Detecting Condition Trouble Area
When solenoid relay is turned ON, relay contact is OFF for
C0278/11
0.2 sec. or longer. S ABS solenoid relay
Immediately after IG1 is turned ON, when solenoid relay is S ABS solenoid relay circuit
C0279/12
turned OFF, relay contact is ON for 0.2 sec. or longer.
WIRING DIAGRAM
Skid Control ECU
FL Block with Actuator
1 3 W 2
W
F6 F12 S3 +BS
ABS2
1
W-B
S3 GND1
FL MAIN
W-B 23
S3 GND2
Battery ED
F45115
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 593
05-41 1
DIAGNOSTICS - ABS WITH EBD SYSTEM
INSPECTION PROCEDURE
1 INSPECT SKID CONTROL ECU CONNECTOR(+BS TERMINAL VOLTAGE)
(a) Disconnect the skid control ECU connector.
GND1(-) +BS (+) (b) Measure the voltage between terminals +BS and GND1,
2 of the skid control ECU harness side connector.
OK:
Voltage: 10 to 14 V
OK IF THE SAME CODE IS STILL OUTPUT AFTER
THE DTC IS DELETED, CHECK THE CONTACT
GND2 (-) C58919
CONDITION OF EACH CONNECTION
NG
2 INSPECT FUSE(ABS2 FUSE)
(a) Check continuity of the ABS2 fuse in the FL block.
OK:
Continuity
NG CHECK FOR SHORT IN ALL HARNESS AND
CONNECTOR CONNECTED FUSE AND
REPLACE FUSE
OK
3 INSPECT SKID CONTROL ECU CONNECTOR(GND TERMINAL CONTINUITY)
(a) Measure resistance between terminal GND1, 2 of the skid
GND1 control ECU harness side connector and body ground.
OK:
Resistance: 1 or less
NG CHECK AND REPAIR HARNESS AND
GND2 CONNECTOR(GND TERMINAL - BODY
C58919
GROUND)(See page 01-37 )
OK
CHECK AND REPAIR HARNESS AND CONNECTOR(+BS TERMINAL - BATTERY)
(See page 01-37 )
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 594
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