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 |
|
.gif)
|
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:
Inspection
INSPECTION
PROCEDURE
1. INSPECT INPUT SHAFT
(a) Using a dial indicator and 2 V-blocks, measure the shaft runout.
Maximum runout:
0.03 mm (0.0012 in.)
If the runout is more than the maximum, replace the input shaft.
HINT:
Measure the 3 areas shown in the illustration wit ...
Accumulator Low Pressure (C1256)
DESCRIPTION
The accumulator pressure sensor is connected to the skid control ECU in the master
cylinder solenoid.
DTC No.
DTC Detecting Condition
Trouble Areas
C1256
Fluid pressure inside the accumulator drops below the specification ...
Steering Angle Sensor Output Malfunction (C1434)
DESCRIPTION
Steering angle sensor (spiral cable with sensor sub-assembly) signals are sent
to the skid control ECU (master cylinder solenoid) via the CAN communication system.
When there is a malfunction in the CAN communication system, it is detected by the
steering angle sensor (spiral cabl ...
