Toyota Sienna Service Manual: Heated oxygen sensor (for 2wd)
Components
Removal
1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
| CAUTION: Wait at least 90 seconds after disconnecting the cable from the nagative (-) battery terminal to prevent airbag and seat belt pretensioner activation. |
2. REMOVE HEATED OXYGEN SENSOR (for Bank 1 Sensor 2)
(a) Disconnect the sensor connector under the center console.
(b) Using SST, remove the heated oxygen sensor.
SST 09224-00010
3. REMOVE FRONT EXHAUST PIPE ASSEMBLY
(a) Disconnect the heated oxygen sensor (for Bank 2 Sensor 2) connector.
(b) Remove the 2 bolts and 2 compression springs.
(c) Remove the 6 nuts and front exhaust pipe assembly.
4. REMOVE HEATED OXYGEN SENSOR (for Bank 2 Sensor 2)
(a) Using SST, remove the heated oxygen sensor from the front exhaust pipe assembly.
SST 09224-00010
Installation
1. INSTALL AIR FUEL RATIO SENSOR (for Bank 2
Sensor 1)
(a) Using SST, install the sensor to the exhaust
manifold LH.
SST 09224-00010
Torque: 40 N*m (408 kgf*cm, 30 ft.*lbf) for use
with SST
...
Inspection
1. INSPECT HEATED OXYGEN SENSOR (for Bank 1
Sensor 2)
(a) Measure the resistance of the sensor.
Standard resistance
If the resistance is not as specified, replace the
sensor.
2. INSPECT HE ...
Other materials:
Diagnosis system
1. CHECK DLC3
The ECU uses the ISO 15765-4 for communication
protocol. The terminal arrangement of the DLC3
complies with SAE J1962 and matches the ISO
15765-4 format.
NOTICE:
*: Before measuring the resistance, leave the
vehicle as is for at least 1 minute and do not
ope ...
Headlight Relay Circuit
DESCRIPTION
The Multiplex network body ECU controls HEAD relay when signal is received
from headlight dimmer
switch assembly.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 PERFORM ACTIVE TEST BY INTELLIGENT TESTER
Connect the intelligent tester to DLC3.
Turn the ignition switch ON and ...
ABS Control System Malfunction
DTC 43 ABS Control System Malfunction
DESCRIPTION
This DTC is output when the VSC system detects a malfunction in the ABS
control system.
INSPECTION PROCEDURE
NOTICE:
When replacing the brake actuator assembly, perform zero point calibration
(See page BC-70).
1 CHECK ABS CONTROL SYSTEM
( ...
