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:
Evaporative Emission System Switching Valve
Control Circuit High
DTC P2420 Evaporative Emission System Switching Valve
Control Circuit High
DTC SUMMARY
DESCRIPTION
The circuit description can be found in the EVAP (Evaporative Emission)
System.
INSPECTION PROCEDURE
Refer to the EVAP System.
MONITOR DESCRIPTION
5 hours*1 after the ignition switch is t ...
Removal
1. REMOVE BATTERY
2. REMOVE AIR CLEANER ASSEMBLY
HINT:
(See page EM-26)
3. REMOVE SPEED SENSOR (NT SENSOR)
(a) Disconnect the speed sensor connector.
(b) Remove the bolt and speed sensor.
4. REMOVE SPEED SENSOR (NC SENSOR)
(a) Disconnect the speed sensor connector.
(b) Remove th ...
Disassembly
1. REMOVE BACK DOOR GARNISH CENTER
Using a clip remover, disengage the 5 clips and
remove the garnish center.
2. REMOVE BACK DOOR SIDE GARNISH LH
Using a clip remover, disengage the 3 clips and
remove the side garnish.
3. REMOVE BACK DOOR SIDE GARNISH RH
Using a clip remove ...
