Toyota Tacoma 2015-2018 Service Manual: Front Differential Oil Temperature Sensor Circuit Low (P17C7)
DESCRIPTION
This DTC is output when a short to ground in the oil temperature sensor is detected.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
|---|---|---|---|
|
P17C7 |
Front Differential Oil Temperature Sensor Circuit Low |
|
|
WIRING DIAGRAM
PROCEDURE
|
1. |
CHECK HARNESS AND CONNECTOR (4 WHEEL DRIVE CONTROL ECU AND OIL TEMPERATURE SENSOR - BODY GROUND) |
(a) Disconnect the F13 4 wheel drive control ECU connector.
(b) Disconnect the F38 oil temperature sensor connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
F13-5 (DT) or F38-1 (DT) - Body ground |
Always |
10 kΩ or higher |
|
F13-25 (DGND) or F38-2 (DGND) - Body ground |
Always |
10 kΩ or higher |
| NG | .gif) |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
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|
2. |
INSPECT OIL TEMPERATURE SENSOR |
(a) Disconnect the F38 oil temperature sensor connector.
|
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
| OK | |
REPLACE 4 WHEEL DRIVE CONTROL ECU |
| NG | |
REPLACE OIL TEMPERATURE SENSOR |
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
TOUCH SELECT 2-4 AND HIGH-LOW SYSTEM
DTC Code
Detection Item
See page
P163B
4WD ECU Malfunction
...
Front Differential Oil Temperature Sensor Circuit High (P17C8)
DESCRIPTION
This DTC is output when a short to B+ or open circuit in the oil temperature
sensor is detected.
DTC No.
Detection Item
DTC Detection Condition
...
Other materials:
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT CAMSHAFT TIMING GEAR BOLT
(a) Remove the camshaft timing oil control solenoid assembly (See page
).
(b) Check that the plunger strokes when the plunger in the center of
the camshaft timing gear bolt is pressed.
Standard stroke:
4 ...
Installation
INSTALLATION
CAUTION / NOTICE / HINT
HINT:
The following procedures are for BD20 (w/o Differential Lock).
PROCEDURE
1. INSTALL REAR DIFFERENTIAL CARRIER ASSEMBLY
(a) Clean the contact surfaces of the rear differential carrier assembly and
axle housing.
(b) Install the rear differ ...
Precaution
PRECAUTION
1. The type of ignition switch used on this model differs depending on the specifications
of the vehicle. The expressions listed in the table below are used in this section.
Expression
Ignition Switch (Position)
Engine Switch (Condition)
...