T-SB-0053-18

T-SB-0053-18
June 26, 2018
Rear Door Wire Harness Symptoms and Diagnosis
Service
Category
Audio/Visual/Telematics
Section
Audio/Video
Market USA
Applicability
YEAR(S)
MODEL(S)
2016 - 2017
Tacoma
ADDITIONAL INFORMATION
Introduction
Some 2016 – 2017 model year Tacoma D-Cab vehicles may exhibit one or more of the following
conditions (some conditions may be intermittent).








No sound from speakers
No bass from speakers
Muffled sound from speakers
Inoperative power door locks
Inoperative power windows
No answer-back (beep/chirp) after locking the doors via key fob
Interior illumination inoperative (lighting within HVAC controls, instrument panel switches,
door panel switches, etc.)
Open fuses for one or more of the systems listed above
Follow the Repair Procedure in this bulletin to address these conditions.
Production Change Information
This bulletin applies to vehicles produced BEFORE the Production Change Effective VINs
shown below.
MODEL
Tacoma
CAB
Double
PLANT
TMMBC
VDS
PRODUCTION CHANGE EFFECTIVE VIN
AZ5CN
3TMAZ5CN#HM047390
EZ5CN
3TMEZ5CN#HM047428
BZ5DN
3TMBZ5DN#HM010643
CZ5AN
3TMCZ5AN#HM103055
GZ5AN
3TMGZ5AN#HM103052
DZ5BN
3TMDZ5BN#HM030865
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Rear Door Wire Harness Symptoms and Diagnosis
Warranty Information
OP CODE
DESCRIPTION
TIME
OFP
T1
T2
EL1806
R & R Rear Door Wire Harness (One Side)
0.9
72
73
Combo A
Opposite Side
0.7
82153-04130
and/or
82154-04030
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.
Parts Information
PART NUMBER
PART NAME
QTY
82153-04130
Wire, Rear Door No. 1
1
82154-04030
Wire, Rear Door No. 2
1
PREVIOUS
NEW
Required Tools & Equipment
REQUIRED EQUIPMENT
SUPPLIER
Techstream 2.0*
Techstream Lite
PART NUMBER
QTY
TS2UNIT
ADE
Techstream Lite (Green Cable)
TSLITEPDLR01
TSLP2DLR01
* Essential SST.
NOTE
 Only ONE of the Techstream units listed above is required.
 Software version 13.10.019 or later is required.
 Additional Techstream units may be ordered by calling Approved Dealer
Equipment (ADE) at 1-800-368-6787.
 Use Techstream or an approved J2534 interface to perform flash reprogramming updates.
Visit techinfo.toyota.com for more information regarding J2534 reprogramming.
© 2018 Toyota Motor Sales, USA
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Rear Door Wire Harness Symptoms and Diagnosis
Diagnosis
1. Confirm the condition exists.
Does the vehicle exhibit one or more of the conditions listed in the Introduction?
NOTE
Additional confirmation details can be found on page 6 in the Symptom Diagnosis Links subsection.

YES — Continue to step 2.

NO — This bulletin does NOT apply. Continue diagnosis using the applicable
Repair Manual.
2. Open the rear LH door and locate the rear
door wire harness grommet.
Figure 1.
3. Separate the grommet from the B-pillar.
Figure 2.
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Rear Door Wire Harness Symptoms and Diagnosis
Diagnosis (continued)
4. Carefully pull the harness out of the B-pillar and disconnect the door/floor wire harnesses.
Figure 3.
Figure 4.
5. Carefully inspect the rear door harness wire insulation for damage near the connector.
Do ANY of the wires show signs of cuts/chaffing/shorting to ground?

YES — Harness replacement is required due to B-pillar damage. Go to step 8.

NO — Continue to step 6.
6. Connect the door wire harness to the floor
wire harness.
Figure 5.
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Rear Door Wire Harness Symptoms and Diagnosis
Diagnosis (continued)
7. Install the grommet to the B-pillar, with the arrow pointing UP.
Figure 6.
Figure 7.
8. Repeat steps 2 – 4 on the RH side of the vehicle.
9. Carefully inspect the rear door harness wire insulation for damage near the connector.
Do ANY of the wires show signs of cuts/chaffing/shorting to ground?

YES — Go to step 12.

NO — This bulletin does NOT apply. Complete steps 10 – 11 and continue diagnosis
using the applicable Repair Manual.
10. Connect the RH door wire harness to the floor wire harness.
11. Install the grommet to the B-pillar, with the arrow pointing UP.
12. Do ANY of the rear door wire harnesses need replacement due to B-pillar damage?

YES — Go to the Repair Procedure in this Service Bulletin.

NO — Continue to the Symptom Diagnosis Links section.
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Rear Door Wire Harness Symptoms and Diagnosis
Diagnosis (continued)
Symptom Diagnosis Links
1. Condition: Muffled sound and no sound or bass from speakers.
Refer to TIS, applicable model and model year Repair Manual:

2016 – 2017 Tacoma:
Audio/Visual/Telematics – Audio/Video – “Audio / Video: Audio and Visual System:
Problem Symptoms Table”
2. Condition: Inoperative power door locks.
Refer to TIS, applicable model and model year Repair Manual:

2016 – 2017 Tacoma:
Vehicle Interior – Door Lock – “Door Lock: Power Door Lock Control System:
Problem Symptoms Table”

2016 – 2017 Tacoma:
Vehicle Interior – Door Lock – “Door Lock: Wireless Door Lock Control System
(w/ Smart Key System) / (w/o Smart Key System): Problem Symptoms Table”
3. Condition: Inoperative power windows.
Refer to TIS, applicable model and model year Repair Manual:

2016 Tacoma:
Vehicle Interior – All – “Window / Glass: Power Window Control System:
(w/ Jam Protection Function) / (w/o Jam Protection Function):
Problem Symptoms Table”

2017 Tacoma:
Vehicle Interior – All – “Window / Glass: Power Window Control System:
(w/ Jam Protection Function) / (w/o Jam Protection Function):
Problem Symptoms Table”
4. Condition: No answer-back (beep/chirp) after locking the doors via key fob.
Refer to TIS, applicable model and model year Repair Manual:

2016 – 2017 Tacoma:
Vehicle Interior – Door Lock – “Door Lock: Wireless Door Lock Control System
(w/ Smart Key System) / (w/o Smart Key System): No Answer-Back”
5. Condition: Inoperative interior illumination (lighting within instrument panel switches, door
panel switches, etc.).
Refer to TIS, applicable model and model year Electrical Wiring Diagram:

2016 – 2017 Tacoma:
System Circuit – Body Electrical – “Body Electrical: Illumination”
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Rear Door Wire Harness Symptoms and Diagnosis
Repair Procedure
HINT
 Use the same procedure for the LH and RH sides.
 The procedure described below is for the LH side.
NOTICE
 AFTER turning the ignition switch OFF, waiting time may be required BEFORE disconnecting
the cable from the negative (–) battery terminal.
 Make sure to read the disconnecting the cable from the negative (–) battery terminal notices
BEFORE proceeding.
Refer to TIS, applicable model and model year Repair Manual:
 2016 – 2017 Tacoma:
General – Introduction – “Introduction: Repair Instruction: Precaution”
 Roll the window up (closed) BEFORE proceeding.
1. Disconnect the cable from negative (–) battery terminal.
2. Remove the rear door frame garnish.
Disengage the four clips to remove the rear
door frame garnish.
Figure 8.
NOTICE
 Confirm that no clips remain on the
door after the garnish is removed.
 Transfer ANY remaining clips to the
garnish side BEFORE installation.
3. Remove the rear door inside handle
bezel plug.
Figure 9.
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Rear Door Wire Harness Symptoms and Diagnosis
Repair Procedure (continued)
4. Remove the rear armrest base upper panel sub-assembly.
A. Disengage the two clips, four claws,
and three guides.
Figure 10.
B. Disconnect the connector to remove
the rear armrest base upper
panel sub-assembly.
Figure 11.
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Rear Door Wire Harness Symptoms and Diagnosis
Repair Procedure (continued)
5. Remove the rear door trim board sub-assembly.
A. Remove the clip and two screws.
Figure 12.
B. Disengage the eight clips.
Figure 13.
C. Disengage the two claws to remove the
rear door trim board sub-assembly.
Figure 14.
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Rear Door Wire Harness Symptoms and Diagnosis
Repair Procedure (continued)
6. Disconnect the door speaker connector.
Figure 15.
7. Disconnect the power window regulator
motor connector.
Figure 16.
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Rear Door Wire Harness Symptoms and Diagnosis
Repair Procedure (continued)
8. Disconnect the power door lock assembly connector.
A. Lift up the part of the (clear plastic)
service hole cover that is covering
the connector.
Figure 17.
B. Disconnect the connector.
Figure 18.
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Rear Door Wire Harness Symptoms and Diagnosis
Repair Procedure (continued)
9. Remove No. 2 rear door service hole cover.
A. Lift up the part of the (clear plastic)
service hole cover that is covering the
(foam) No. 2 rear door service
hole cover.
B. Using a clip remover, remove the clip
and No. 2 rear door service hole cover.
10. Disengage the rear door wire
harness clips (eight).
Figure 19.
Figure 20.
Figure 21.
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Rear Door Wire Harness Symptoms and Diagnosis
Repair Procedure (continued)
11. Push the rear door wire harness grommet into the door.
A. Squeeze the base of the grommet in.
Figure 22.
B. Push the base of the grommet into
the door.
Figure 23.
C. Squeeze and push the other end of the
grommet into the door as well.
12. Remove the rear door wire harness through the service hole.
Repeat for the other side, if necessary.
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Rear Door Wire Harness Symptoms and Diagnosis
Repair Procedure (continued)
13. Begin installing the NEW harness by
routing the grommet-end of the harness
through the service hole and out the
grommet pass-through hole.
Figure 24.
NOTICE
Make sure to not contaminate the
harness connectors and terminals with
butyl from the plastic service hole cover.
14. Seat the harness grommet at the door
pass-through hole with the grommet arrow
pointing UP.
Figure 25.
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Rear Door Wire Harness Symptoms and Diagnosis
Repair Procedure (continued)
15. Engage the two harness clips on the inner
side of the door.
Figure 26.
NOTE
Confirm the harness does NOT interfere with
the lower glass run.
Figure 27.
1
c
2
c
3
c
1
Grom met
2
Low er Glass Run
3
Clip
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Rear Door Wire Harness Symptoms and Diagnosis
Repair Procedure (continued)
16. Engage the remaining six harness clips.
Figure 28.
17. Connect the power door lock
assembly connector.
Figure 29.
18. Install the (foam) No. 2 rear door service
hole cover and clip.
Figure 30.
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Rear Door Wire Harness Symptoms and Diagnosis
Repair Procedure (continued)
19. Place the (clear plastic) service hole cover
back in its original location.
Figure 31.
20. Connect the power window regulator
motor connector.
Figure 32.
21. Connect the door speaker connector.
Figure 33.
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Rear Door Wire Harness Symptoms and Diagnosis
Repair Procedure (continued)
22. Install the rear door trim board sub-assembly.
A. Engage the two claws to remove the
rear door trim board sub-assembly.
Figure 34.
B. Engage the eight clips.
Figure 35.
C. Install the clip and the two screws.
Figure 36.
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Rear Door Wire Harness Symptoms and Diagnosis
Repair Procedure (continued)
23. Install the rear armrest base upper panel sub-assembly.
A. Connect the connector.
Figure 37.
B. Engage the two clips, four claws, and
three guides to install the rear armrest
base upper panel sub-assembly.
Figure 38.
24. Connect the rear door wire harness to the
floor wire harness.
Figure 39.
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Rear Door Wire Harness Symptoms and Diagnosis
Repair Procedure (continued)
25. Install the grommet to the B-pillar, with the arrow pointing UP.
Figure 40.
Figure 41.
26. Engage the three claws to install the rear
door inside handle bezel plug.
Figure 42.
27. Engage the four clips to install the rear
door frame garnish.
Figure 43.
NOTICE
 Confirm that no clips remain on the
door BEFORE rear door frame garnish
installation.
 Transfer ANY remaining clips to the
rear door frame garnish side
BEFORE installation.
 Installing the rear door frame garnish
with ANY clips remaining on the door
side could cause the clips to drop
inside the door.
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Rear Door Wire Harness Symptoms and Diagnosis
Repair Procedure (continued)
28. Connect the cable from negative (–) battery terminal.
Torque: 5.4 N*m (55 kgf*cm, 48 in*lbf)
29. Confirm the repair and clear ANY DTCs.
NOTICE
ALWAYS replace open fuses with NEW fuses of the correct amperage.
© 2018 Toyota Motor Sales, USA
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