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:
Data List / Active Test
DATA LIST / ACTIVE TEST
1. ACTIVE TEST
HINT:
Using the Techstream to perform Active Tests allows relays, VSVs, actuators and
other items to be operated without removing any parts. This non-intrusive functional
inspection can be very useful because intermittent operation may be discovered befo ...
Fuel Receiver Gauge Malfunction
DESCRIPTION
The meter CPU uses the fuel sender gauge assembly to determine the level of the
fuel in the fuel tank. The resistance of the fuel sender gauge will vary between
approximately 13.5 Ω with the float at the full position, and 414.5 Ω with the float
at the empty position. The meter ...
Drive Belt
Components
COMPONENTS
ILLUSTRATION
Precaution
PRECAUTION
NOTICE:
Do not apply or add oil or grease to the belt tensioner to prevent abnormal
noises from the belt tensioner pulley, belt squealing, etc.
Do not allow oil or grease to adhere to the moving parts of the belt
...
