Toyota Tacoma (2015-2018) Service Manual: Rear Differential Lock Position SW Stuck ON (P17BC)
DESCRIPTION
This DTC is output when an ON malfunction of the differential lock indicator switch is detected.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
|---|---|---|---|
|
P17BC |
Rear Differential Lock Position SW Stuck ON |
|
|
WIRING DIAGRAM
Refer to DTC P17BB (See page .gif)
).
PROCEDURE
|
1. |
CHECK HARNESS AND CONNECTOR (4 WHEEL DRIVE CONTROL ECU - DIFFERENTIAL LOCK INDICATOR SWITCH) |
(a) Disconnect the F13 4 wheel drive control ECU connector.
(b) Disconnect the T13 differential lock indicator switch connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
F13-12 (SLS) or T13-2 (RLY2) - Body ground |
Always |
10 kΩ or higher |
| NG | .gif) |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
.gif)
|
2. |
INSPECT DIFFERENTIAL LOCK INDICATOR SWITCH |
(a) for Automatic Transmission:
Move the shift lever to N.
for Manual Transmission:
Move the shift lever to neutral.
(b) for 4WD:
Switch the transfer position switch to L4.
(c) Lift up the vehicle until all four wheels are off the ground.
(d) Release the parking brake.
(e) Rotate one rear wheel and set the rear differential to the free condition.
(f) Disconnect the T13 differential lock indicator switch connector.
|
(g) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
| OK | |
REPLACE 4 WHEEL DRIVE CONTROL ECU |
| NG | |
REPLACE DIFFERENTIAL LOCK INDICATOR SWITCH |
Rear Differential Lock Position SW Stuck OFF (P17BB)
DESCRIPTION
This DTC is output when an OFF malfunction of the differential lock indicator
switch is detected.
DTC No.
Detection Item
DTC Detection Condition
...
4WD ECU Malfunction (P163B)
DESCRIPTION
This DTC is output when a malfunction is detected in the 4 wheel drive control
ECU internal circuit.
DTC No.
Detection Item
DTC Detection Condition
...
Other materials:
Installation
INSTALLATION
PROCEDURE
1. INSTALL FRONT NO. 2 SPEAKER ASSEMBLY RH
(a) Connect the connector.
(b) Install the front No. 2 speaker assembly RH with the 2 bolts.
Torque:
8.4 N·m {86 kgf·cm, 74 in·lbf}
NOTICE:
Do not touch the cone part of the front No. 2 speaker assembly RH.
...
Precaution
PRECAUTION
HANDLING PRECAUTION FOR CRUISE CONTROL SYSTEM
(a) Turn the cruise control system off using the cruise control main switch (ON-OFF
button) when not using the cruise control system.
(b) Be careful as the vehicle speed increases when driving downhill with the
cruise control system con ...
Customize Parameters
CUSTOMIZE PARAMETERS
NOTICE:
When the customer requests a change in a function, first make sure that
the function can be customized.
Make a note of the current settings before customizing.
HINT:
The following PCS functions and the pre-collision system sensitivity setting
...
