2007 TOYOTA SIENNA Service Repair Manual

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TOYOTA SIENNA 2007  Service Repair Manual BC–10BRAKE CONTROL  –  ANTI-LOCK BRAKE SYSTEM
BC
TERMINALS OF ECU
Symbols (Terminal No.) Wiring Color Condition Specified Condition
+BS (2) - GND (1,23) W - W-B Always 10 to 14 V
FL+ (13) - FL- (2

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TOYOTA SIENNA 2007  Service Repair Manual BRAKE CONTROL  –  ANTI-LOCK BRAKE SYSTEMBC–11
BC
DIAGNOSIS SYSTEM
1. DESCRIPTION
(a) Release the parking brake pedal.
(b) Check the warning lights.
When ignition switch is turned ON, check that th

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TOYOTA SIENNA 2007  Service Repair Manual BC–12BRAKE CONTROL  –  ANTI-LOCK BRAKE SYSTEM
BC
(4) As an example, refer to the chart below for the 
blinking patterns of the normal system code and 
trouble codes 11 and 21.
(5) The codes are ex

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TOYOTA SIENNA 2007  Service Repair Manual BRAKE CONTROL  –  ANTI-LOCK BRAKE SYSTEMBC–13
BC
2. DTC CHECK/CLEAR (WHEN USING INTELLIGENT 
TESTER):
(a) DTC check
(1) Connect the intelligent tester to the DLC3.
(2) Turn the ignition switch to

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TOYOTA SIENNA 2007  Service Repair Manual BRAKE CONTROL  –  ANTI-LOCK BRAKE SYSTEMBC–1
BC
BRAKE
BRAKE CONTROL
ANTI-LOCK BRAKE SYSTEM
PARTS LOCATION
C119317E06

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TOYOTA SIENNA 2007  Service Repair Manual BC–2BRAKE CONTROL  –  ANTI-LOCK BRAKE SYSTEM
BC
HOW TO PROCEED WITH 
TROUBLESHOOTING
The intelligent tester can be used at steps 3, 7, 10, and 13.
NEXT
(a) Interview the customer to confirm the tr

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TOYOTA SIENNA 2007  Service Repair Manual BRAKE CONTROL  –  ANTI-LOCK BRAKE SYSTEMBC–3
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NEXT
NEXT
NEXT
NEXT
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8PROBLEM SYMPTOMS TABLE
GO TO STEP 10
9DTC CHART
10CIRCUIT INSPECTION
11IDENTIFICATION OF PROBLEM
12REPAIR OR REPLACE

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TOYOTA SIENNA 2007  Service Repair Manual BC–4BRAKE CONTROL  –  ANTI-LOCK BRAKE SYSTEM
BC
TEST MODE PROCEDURE
1. SPEED SENSOR SIGNAL CHECK (WHEN USING SST 
CHECK WIRE):
HINT:
• If the ignition switch is turned from the ON to the ACC 
or