Toyota Sienna Service Manual: Problem symptoms table
If there are no DTCs output but the problem still occurs, check the circuits for each problem symptom in the order given in the table below and proceed to the relevant troubleshooting page.
NOTICE: When replacing the brake actuator assembly, sensor, etc., turn the ignition switch off.
HINT: Inspect the fuse and relay before investigating the suspected areas as shown in the table below. Inspect each malfunction circuit in numerical order for the corresponding symptom.
Anti-lock brake system:
Terminals of ecu
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 LOCK position during Test Mode, the DTCs of the
signal check functio ...
Diagnosis system
1. DESCRIPTION
(a) Release the parking brake pedal.
(b) Check the warning lights.
When ignition switch is turned ON, check that the
ABS warning light and brake warning light come on
for 3 ...
Other materials:
Reassembly
NOTICE:
Before installation, coat the parts indicated by arrows
with power steering fluid (See page PS-7).
1. INSTALL VANE PUMP HOUSING OIL SEAL
(a) Coat a new vane pump housing oil seal lip with
power steering fluid.
(b) Using SST and a press, install the vane pump
housing oil seal until i ...
Power Windows do not Operate at All
DESCRIPTION
If all of the door windows do not operate, no power may be supplied to the
power window master switch or
the power window master switch itself may have a malfunction.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 INSPECT FUSE (PWR, ECU-IG, AM1)
Remove the fuses from the driver sid ...
Data list / active test
1. DATA LIST
(a) While the intelligent tester is connected to the DLC3
with the ignition switch in the ON position, the ABS
data list can be displayed. Follow the prompts on
the tester screen to access the DATA LIST.
2. ACTIVE TEST
HINT:
Performing the ACTIVE TEST using the intelligent te ...
