T-SB-0026-16

T-SB-0026-16
March 30, 2016
Cruise Control Stalk Illumination Intermittent Operation
Service
Category
Vehicle Interior
Section
Meter/Gauge/Display
Market USA
Applicability
YEAR(S)
MODEL(S)
2014 - 2016
Sienna
ADDITIONAL INFORMATION
Introduction
Some 2014 – 2016 Sienna vehicles may exhibit an intermittent cruise control stalk illumination
flicker condition. Please follow the Repair Procedure in this bulletin to address this condition.
Warranty Information
OP CODE
EL1600
DESCRIPTION
Cruise Illumination circuit wire install
TIME
OFP
T1
T2
0.7
45250-08043
45250-08053
45250-08033
45250-08060
45250-08080
45250-08090
87
41
APPLICABLE WARRANTY
This repair is covered under the Toyota Basic Warranty. This warranty is in effect for 36 months
or 36,000 miles, whichever occurs first, from the vehicle’s in-service date.
Warranty application is limited to occurrence of the specified condition described in
this bulletin.
© 2016 Toyota Motor Sales, USA
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Cruise Control Stalk Illumination Intermittent Operation
Parts Information
PART NUMBER
PART NAME
QTY
82998-0E010
82998-08030
82998-08010
82998-08020
Terminal, Repair w/Wire
1
NOTE
12-pin spiral cable equipped vehicles have a heated steering wheel, order Part Numbers
82998-0E010 & 82998-08020.
10-pin spiral cables are used on Sienna without heated steering wheel, order Part Numbers
82998-08010 and 82998-08030.
Required Tools & Equipment
REQUIRED TOOLS & MATERIAL
QTY
Cable Tie
3
REQUIRED EQUIPMENT
SUPPLIER
Techstream 2.0*
PART NUMBER
QTY
TS2UNIT
ADE
Techstream Lite
1
TSLITEPDLR01
SPECIAL SERVICE TOOLS (SST)
PART NUMBER
QTY
Plastic Pry Tool Set, or Equivalent
00002-06000-01
1
Plastic Emblem Removal Tool, or Equivalent
00002-06002-01
1
Plastic Panel Clip Removal Tool, or Equivalent
00002-06001-01
1
* Essential SST.
NOTE
Only ONE of the Techstream units listed above is required.
Software version 11.00.017 or later is required.
Additional Techstream units may be ordered by calling Approved Dealer Equipment (ADE)
at 1-800-368-6787.
© 2016 Toyota Motor Sales, USA
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Cruise Control Stalk Illumination Intermittent Operation
Repair Procedure
CAUTION
Some of these service operations affect the SRS airbag system. Read the precautionary notices
concerning the SRS airbag system before servicing the steering wheel area.
2014 / 2015 Sienna:
Vehicle Interior – Supplemental Restraint Systems – “Supplemental Restraint Systems: Airbag
System: Precaution”
Refer to the Technical Information System (TIS), applicable model and model year
Repair Manual:

2014 / 2015 Sienna:
Steering – Steering Column – “Steering Column: Steering System: Precaution”
1. Turn the steering wheel to provide clearance
and remove the 2 screws in the lower steering
column cover.
Figure 1.
NOTE
The steering wheel should NOT be
removed. Merely rotate it for appropriate
clearance to remove screws in the steering
column cover.
2. Turn the wheels so that they face straight ahead.
© 2016 Toyota Motor Sales, USA
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Cruise Control Stalk Illumination Intermittent Operation
Repair Procedure (Continued)
3. Disconnect the negative ( – ) battery terminal and remove the steering pad.
Refer to TIS, applicable model, and model year Repair Manual for instructions and cautions:

2014 / 2015 Sienna:
Vehicle Interior – Supplemental Restraint Systems – “Supplemental Restraint Systems:
Steering Pad: Removal”
CAUTION
Wait at least 90 seconds after disconnecting the cable from the negative ( – ) battery terminal
to disable the SRS system.
NOTICE
When disconnecting the battery cable, some systems need to be initialized after the cable is
reconnected. To prevent data loss before disconnecting the battery, please be familiar with
the following instructions:
2014 / 2015 Sienna:
General – Repair Instruction – “Introduction: Repair Instruction: Initialization”
© 2016 Toyota Motor Sales, USA
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Cruise Control Stalk Illumination Intermittent Operation
Repair Procedure (Continued)
4. Remove the lower steering column cover.
A. Push the right and left sides of the lower
steering column cover and disengage the
4 claws.
B. Insert fingers into the opening of the tilt
lever of the lower steering column cover
to detach the claw.
Figure 2.
Figure 3.
HINT
Spread the claw to disengage it.
© 2016 Toyota Motor Sales, USA
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Cruise Control Stalk Illumination Intermittent Operation
Repair Procedure (Continued)
5. Remove the upper steering column cover.
A. Disengage the claw.
B. Disengage the 4 clips and 2 guides to
remove the upper steering column cover.
Figure 4.
Figure 5.
© 2016 Toyota Motor Sales, USA
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Cruise Control Stalk Illumination Intermittent Operation
Repair Procedure (Continued)
6. Disconnect switch harness connector Z2
(10-pin connector), or Z8 (12-pin connector)
from the spiral cable at the steering wheel
above the steering column shaft nut and
cruise control stalk.
Figure 6. Z2/Z8 Location
7. Raise the connector terminal locking tab by
gently prying upward.
Figure 7.
NOTE
 Locking tab does NOT come
completely off.
 Connector color may not match
illustration — verify colors as seen in
Figures 8, 9, 10, 16, 17, and 18.
© 2016 Toyota Motor Sales, USA
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Cruise Control Stalk Illumination Intermittent Operation
Repair Procedure (Continued)
8. Insert correct pin terminal into connector, according to the year below:
A. For 2014 model year Sienna, 10-pin connector, insert PN 82998-08010 into cavity 7 of
white connector Z2 (PN 90980-12361).
Figure 8.
B. For 2015 or later model year Sienna vehicles equipped with heated steering wheel
(12-pin connector), insert PN 82998-0E010 pin terminal into cavity 12 of connector Z8.
Figure 9.
© 2016 Toyota Motor Sales, USA
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Cruise Control Stalk Illumination Intermittent Operation
Repair Procedure (Continued)
C. For 2015 model year Sienna vehicles NOT equipped with a heated steering wheel
(10-pin connector), insert PN 82998-08010 pin terminal into cavity 4 of connector Z2.
Figure 10.
9. Press lock tab down. Make sure lock tab is
fully seated by pressing in the areas
indicated by the arrows.
Figure 11.
© 2016 Toyota Motor Sales, USA
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Cruise Control Stalk Illumination Intermittent Operation
Repair Procedure (Continued)
10. Connect Sienna connector Z8 (12-pin
connector) or Z2 (10-pin connector) to
spiral cable.
Figure 12.
NOTE
Do NOT connect the Ring terminal end
at this step. Be sure to route the harness
under and away from SRS wiring.
Route the repair wire UNDER the existing
brown (or black) wire sheath, following the
path of the dotted line as shown. Do NOT
attach ring terminal at this time.
NOTE
If the brown (or black) sheathed harness
is routed to the right side of the steering
wheel, route the repair harness on that
side instead.
CAUTION
Place harness away from
airbag connections.
© 2016 Toyota Motor Sales, USA
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Cruise Control Stalk Illumination Intermittent Operation
Repair Procedure (Continued)
11. On the underneath side of the steering column, disconnect the spiral cable sub-assembly
connector D21 (12-pin connector) or D149 (14-pin connector) from the spiral cable
as indicated.
Figure 13. D21 or D149 Locations
Figure 14. D21, 12-Pin Connector
Figure 15. D149, 14-Pin Connector
© 2016 Toyota Motor Sales, USA
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Cruise Control Stalk Illumination Intermittent Operation
Repair Procedure (Continued)
12. Lift connector lock tab using same guidelines
in step 7.
Figure 16.
NOTE
Do NOT try to remove it. Only slightly lift.
13. Insert terminal according to model year below.
A. For 2014 model year Sienna, insert repair wire PN 82998-08030 pin terminal into cavity 3
of connector spiral cable sub-assembly D21.
Figure 17.
© 2016 Toyota Motor Sales, USA
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Cruise Control Stalk Illumination Intermittent Operation
Repair Procedure (Continued)
B. For 2015 model year Sienna or later, 14-pin connector, insert repair wire PN 82998-08020
into cavity 7 of spiral cable sub-assembly D149.
Figure 18.
C. For 2015 model year Sienna or later, 12-pin connector, insert repair wire PN 82998-08030
pin terminal into cavity 11 of spiral cable sub-assembly connector D21.
Figure 19.
© 2016 Toyota Motor Sales, USA
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Cruise Control Stalk Illumination Intermittent Operation
Repair Procedure (Continued)
14. Press lock tab down on the connector.
Figure 20.
15. Connect harness connector D21 (12-pin connector) or D149 (14-pin connector) to spiral cable.
16. Check resistance between the ring
terminals of both harnesses. The standard
resistance is less than one ohm. If
resistance is not as specified, check
installation of both harnesses.
Figure 21.
© 2016 Toyota Motor Sales, USA
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Cruise Control Stalk Illumination Intermittent Operation
Repair Procedure (Continued)
17. Secure repair wire PN 82998-08010 or 82998-0E010 ring terminal to cruise control switch
ground terminal.
A. Remove screw from cruise control switch ground terminal.
B. Place repair wire ring terminal over screw.
C. Reinstall screw in cruise control switch.
Figure 22.
Torque: 2.4 N*m (24 kgf*cm, 21 ft*lbf)
18. Route the repair wire from D21 or D149 on
the underside of the steering column,
following the arrows and routing along the
wire harness. Place three cable ties near
existing cable ties as shown.
Figure 23.
NOTE
 All cable ties must be placed on plastic
sheathing near existing locations.
 Check that the ignition switch is off.
CAUTION
Ensure no cable ties are applied on
unprotected parts of harness without
tape. They must be applied only
on sheathing.
1
© 2016 Toyota Motor Sales, USA
Cable Ties
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Cruise Control Stalk Illumination Intermittent Operation
Repair Procedure (Continued)
19. Remove the steering column mount stud nut
indicated in the picture and attach ring
terminal to steering column mount stud.
Figure 24.
Torque: 27.5 N*m (280 kgf*cm, 20 ft*lbf)
20. Install steering pad.
CAUTION
Some of these service operations affect the SRS airbag system. Read the precautionary
notices concerning the SRS airbag system before installing the steering pad.
2014 / 2015 or later model year Sienna:
Vehicle Interior – Supplemental Restraint Systems – “Supplemental Restraint Systems:
Airbag System: Precaution”
A. Check that the ignition switch is off.
B. Check that the cable is disconnected from the negative ( – ) battery terminal.
CAUTION
Wait at least 90 seconds after disconnecting the cable from the negative ( – ) battery
terminal to disable the SRS system.
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Cruise Control Stalk Illumination Intermittent Operation
Repair Procedure (Continued)
C. Connect the horn terminal.
Figure 25.
1
Locking Button
D. Connect the 2 airbag connectors to the steering pad.
NOTICE
 When connecting any airbag connector, take care not to damage the airbag wire harness.
 Be sure to only connect the connectors to each corresponding color.
 Securely lock the locking button.
E. For 2014 model year Sienna, confirm
that the circumference groove of each
screw fits in the screw case, and place
the steering pad onto the steering
wheel assembly.
Figure 26.
© 2016 Toyota Motor Sales, USA
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Cruise Control Stalk Illumination Intermittent Operation
Repair Procedure (Continued)
F. Using a T30 torx® socket wrench, tighten the 2 screws.
Torque: 8.8 N*m (90 kgf*cm, 78 ft*lbf)
G. For 2015 or later model year Sienna, engage the 3 pins with the 3 snap rings to install the
steering pad.
NOTICE
Pull the steering pad to ensure that it is securely engaged.
21. Install the upper steering column cover.
A. Engage the 4 clips and 2 guides to install the upper steering column cover onto the
instrument panel cluster finish panel.
B. Engage the claw to install the upper steering column cover.
22. Install the lower steering column cover.
A. Engage the 2 claws to install the lower steering column cover.
B. Install the 2 screws, except on Smart keys. These must be installed after the battery
is connected.
C. Connect the cable to the negative battery terminal.
Torque: 5.4 N*m (55 kgf*cm, 48 ft*lbf)
NOTICE
When reconnecting the battery cable, some systems need to be initialized after the cable
is reconnected.
2014 / 2015 Sienna:
Introduction – Repair Instruction – “Introduction: Repair Instruction: Initialization”
23. Make sure that the horn sounds. If the horn does not sound, inspect the horn system. Refer to
TIS, applicable model and model year Repair Manual:

2014 / 2015 Sienna:
Horn – Horn System – “Horn: Horn System: Problem Symptoms Table”
24. Perform Techstream Health Check, assure no DTCs are present. Refer to TIS, applicable
model and model year Repair Manual:

2014 / 2015 Sienna:
Supplemental Restraint Systems – Airbag System – “Supplemental Restraint Systems:
Airbag System: DTC Check”
© 2016 Toyota Motor Sales, USA
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Cruise Control Stalk Illumination Intermittent Operation
Repair Procedure (Continued)
25. Inspect SRS warning light is not illuminated.
If warning light illuminates, refer to TIS, applicable model and model year Repair Manual
for diagnosis:

2014 / 2015 Sienna:
Supplemental Restraint Systems – Airbag System – “Supplemental Restraint Systems:
Airbag System: Diagnosis System”
© 2016 Toyota Motor Sales, USA