Toyota Sienna Service Manual: Open in Pump Motor Circuit
DTC C1251/51 Open in Pump Motor Circuit
DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
1 PERFORM ACTIVE TEST USING INTELLIGENT TESTER (ABS MOTOR RELAY)
(a) Connect the intelligent tester to the DLC3.
(b) Start the engine.
(c) Select the ACTIVE TEST mode on the intelligent tester.
ABS / VSC: 
(d) Check the operation sound of the ABS motor individually when operating it with the intelligent tester.
OK: The operation sound of the ABS motor should be heard.
NOTICE: When replacing the brake actuator assembly, perform zero point calibration (See page BC-70).
REPLACE BRAKE ACTUATOR ASSEMBLY
2 INSPECT SKID CONTROL ECU (GND2 TERMINAL)
(a) Disconnect the skid control ECU connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance 
NOTICE: When replacing the brake actuator assembly, perform zero point calibration (See page BC-70).
REPLACE BRAKE ACTUATOR ASSEMBLY
Open in Stop Light Switch Circuit
DTC C1249/49 Open in Stop Light Switch Circuit
DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
1 CHECK STOP LIGHT SWITCH OPERATION
(a) Check that the stop light comes on when the brak ...
Steering Angle Sensor Zero Point Malfunction
DTC C1290/66 Steering Angle Sensor Zero Point Malfunction
DESCRIPTION
The skid control ECU acquires steering angle sensor zero point every time the
ignition switch is turned to
the ON position an ...
Other materials:
Indicator/warning lights
Concept
Indicator/warning lights in the instrument cluster
display the status of some functions in the vehicle
and indicate when a malfunction is present in
the monitored systems.
General information
The indicator/warning lights can light up in a variety
of combinations and colors.
Several of the l ...
Disassembly
1. REMOVE FRONT DIFFERENTIAL RING GEAR
(a) Place matchmarks on the front differential ring gear
and differential case.
(b) Remove the 14 bolts.
(c) Using a plastic hammer, tap on the front differential
ring gear to remove it from the case.
2. REMOVE FRONT DIFFERENTIAL CASE FRONT TA ...
Rear head restraints
Safety information
Warning
A missing protective effect due to removed or
not correctly adjusted head restraints can
cause injuries in the head and neck area. There
is a risk of injury.
Before driving, install the removed head
restraints on the occupied seats.
Adjust the head restraint so its ce ...
