Toyota Sienna Service Manual: Precaution
1. Check that the battery cables are connected to the correct terminals.
2. Disconnect the battery cables when the battery is given a quick charge.
3. Do not perform tests with a high voltage insulation resistance tester.
4. Never disconnect the battery cables while the engine is running.
5. Check that the charging cable nut is tightened on terminal b of the generator and the engine room r/b.
Parts location
SYSTEM DIAGRAM
PROBLEM SYMPTOMS TABLE
Charging system
...
On-vehicle inspection
1. Check battery electrolyte level
(a) Check the electrolyte level.
(1) If the electrolyte level is low, replace the battery
(or add distilled water) and check the charging
system.
2. CHECK BAT ...
Other materials:
Removal
1. DRAIN BRAKE FLUID
NOTICE:
Wash brake fluid off immediately if it adheres to any
painted surface.
2. DISCONNECT BATTERY NEGATIVE TERMINAL
3. REMOVE AIR CLEANER ASSEMBLY WITH HOSE
4. REMOVE BRAKE ACTUATOR WITH BRACKET
(a) Release the latch of the brake actuator connector to
disconnect the c ...
Oxygen Sensor Heater Control Circuit Low/ Oxygen Sensor Heater Control
Circuit High/ Oxygen Sensor Heater Circuit Malfunction
DTC P0037 Oxygen Sensor Heater Control Circuit Low
(Bank 1 Sensor 2)
DTC P0038 Oxygen Sensor Heater Control Circuit High
(Bank 1 Sensor 2)
DTC P0057 Oxygen Sensor Heater Control Circuit Low
(Bank 2 Sensor 2)
DTC P0058 Oxygen Sensor Heater Control Circuit High
(Bank 2 Sensor 2)
DTC P0141 Oxyg ...
Selecting the audio
source
Switching between audio sources such as radio and CD are
explained in this section.
Changing audio source
Press the “AUDIO” button to display the audio source selection
screen.
If the audio source selection screen is not displayed, press the “AUDIO”
button again.
Select the des ...
