TECHNICAL INSTRUCTIONS
FOR
SSC G0G
CERTAIN 2015-2016 MY SIENNA
OXYGEN SENSOR REPLACEMENT
The repair quality of covered vehicles is extremely important to Toyota. All dealership technicians
performing this repair are required to successfully complete the most current version of the E-Learning
course “Safety Recall and Service Campaign Essentials”. To ensure that all vehicles have the repair
performed correctly; technicians performing this repair are required to currently hold at least one of the
following certification levels:
•
•
•
•

Certified Technician (Any specialty)
Expert Technician (Any specialty)
Master Technician
Master Diagnostic Technician

Always check which technicians can perform the recall remedy by logging on to
https://www.uotdealerreports.com. It is the dealership’s responsibility to select technicians with the above
certification level or greater to perform this repair. Carefully review your resources, the technician skill
level, and ability before assigning technicians to this repair. It is important to consider technician days
off and vacation schedules to ensure there are properly trained technicians available to perform this repair
at all times.

I.

OPERATION FLOW CHART
Verify Vehicle Eligibility
1. Check the TIS Vehicle Inquiry
System.

Not Involved

No further action required.

Invoved

Replace the oxygen sensor

Campaign complete.

II. IDENTIFICATION OF AFFECTED VEHICLES
•
•

Check the TIS Vehicle Inquiry System to confirm the VIN is involved in this SSC and that the
campaign has not already been completed prior to dealer shipment or by another dealer.
TMS warranty will not reimburse dealers for repairs conducted on vehicles that are not affected or
were completed by another dealer.

III. PREPARATION
A. PARTS
Part Number
89465-08140

Part Description

Quantity

SENSOR , OXYGEN*

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B. TOOLS & EQUIPMENT
• Standard hand tools

• Torque Wrench

SST- These are essential special service tools that the dealership should have.
Part Number
Name
Quantity
09224-00010-01

O2 Sensor Wrench

1

C. MATERIALS
• Protective eyewear

• Protective gloves

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IV. BACKGROUND
The subject vehicles are equipped with an Oxygen Sensor which could experience wire degradation inside the
Oxygen Sensor wiring harness caused by vehicle vibration during normal operation. If this occurs, the vehicle
will illuminate the check engine light.

V. COMPONENTS

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VI. REPLACE THE OXYGEN SENSOR
The wearing of protective eyewear and gloves when working on the exhaust system is
recommended.
1.

REMOVE THE LEFT INSTRUMENT FINISH PANEL
a) Remove the clip.
b) Disengage the 3 guides and remove the panel.

2.

DISCONNECT THE OXYGEN SENSOR CONNECTOR
a) Disconnect the oxygen sensor connector.
b) Remove the oxygen sensor wire grommet and pass the
connector through the hole.

3.

REMOVE THE NO. 2 ENGINE UNDER COVER
a) Remove the 2 bolts.
b) Remove the 2 screws.
c) Remove the clip.
d) Remove the cover.

4.

REMOVE THE OXYGEN SENSOR
a) Disengage the harness clamp to disconnect the sensor
wire.

b) Cut the oxygen sensor wire at the sensor.

3

c) Remove the oxygen sensor.

5.

INSTALL THE NEW OXYGEN SENSOR
DO NOT wipe off the gray anti-seizing compound
applied on the NEW sensor threads.

a) Install the NEW sensor by hand until it seats.
b) Using an oxygen sensor wrench, tighten the NEW sensor.
SST: 09224-00010
Torque: 44 N*m (449 kgf*cm, 32 ft.*lbf)
• When tightening, avoid contacting the
driveshaft shaft with the wrench.
• Adjust the torque wrench using the formula
below if an extension is used.

Torque extension formula

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c) Engage the harness clamp to connect the oxygen sensor wire to the vehicle.
• DO NOT forcibly twist the harness clamp when engaging it.
• ENSURE that the harness is correctly routed.

d) Pass the connector to the inside of the vehicle and install
the grommet.
DO NOT forcibly twist the oxygen sensor wire
when inserting it.

6.

REINSTALL THE NO. 2 ENGINE UNDER COVER
a) Reinstall the cover.
b) Reinstall the clip.
c) Reinstall the 2 bolts.
d) Reinstall the 2 screws.

7.

CONNECT THE OXYGEN SENSOR CONNECTOR
a) Connect the oxygen sensor connector and the wire
grommet.
DO NOT forcibly twist the connector and the wire
grommet when connecting them.

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8. REINSTALL THE LEFT INSTRUMENT FINISH PANEL
a) Engage the 3 guides and reinstall the panel.
b) Reinstall the clip.

◄ VERIFY REPAIR QUALITY ►

−
−
−

If you have any questions regarding this update, please contact your area representative.

VII. APPENDIX
A. CAMPAIGN DESIGNATION DECODER

C

0

Year Campaign is Launched Repair Phase

8 = 2008
9 = 2009
A = 2010
B = 2011
C = 2012
D = 2013
E = 2014
F = 2015
Etc...

0 = Remedy
1 = Interim (Remedy
not yet available) “1”
will change to “0” when
the Remedy is
available

J
Current Campaign Letter
for this year
1st Campaign = A
2nd Campaign = B
3rd Campaign = C
4th Campaign = D
5th Campaign = E
6th Campaign = F
7th Campaign = G
8th Campaign = H
9th Campaign = I
Etc...

Examples:
A0D = Launched in 2010, Remedy Phase, 4th Campaign Launched in 2010
B1E = Launched in 2011, Interim Phase, 5rd Campaign Launched in 2011
C1C = Launched in 2012, Interim Phase, 3rd Campaign Launched in 2012

B. CAMPAIGN PARTS DISPOSAL
As required by Federal Regulations, please make sure all campaign parts (original parts) removed from the
vehicle are disposed of in a manner in which they will not be reused, unless requested for parts recovery
return.

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