Toyota Tacoma 2015-2018 Service Manual: Front Differential Oil Temperature Sensor Circuit Low (P17C7)

Toyota Tacoma 2015-2018 Service Manual / Vf2cm Transfer / Touch Select 2-4 And High-low System / 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	Diagnosis Condition: Ignition switch turned to ON Malfunction Status: Short to ground in the oil temperature sensor Malfunction Time: 1 second or more Other: 1 trip detection logic	Wire harness and connector 4 wheel drive control ECU Oil temperature sensor

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.

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

REPAIR OR REPLACE HARNESS OR CONNECTOR

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:

Tester Connection	Condition	Specified Condition
1 (DT) - 2 (DGND)	Always	120 to 240 kΩ

Text in Illustration

*a	Component without harness connected (Oil Temperature Sensor)

REPLACE 4 WHEEL DRIVE CONTROL ECU

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:

Removal
REMOVAL PROCEDURE 1. REMOVE FRONT DOOR SCUFF PLATE LH (for Double Cab) 2. REMOVE FRONT DOOR SCUFF PLATE LH (for Access Cab) 3. REMOVE COWL SIDE TRIM BOARD LH 4. REMOVE CENTER INSTRUMENT CLUSTER CENTER FINISH PANEL SUB-ASSEMBLY 5. REMOVE INSTRUMENT CLUSTER FINISH PANEL ASSEMBLY ...

Inspection
INSPECTION PROCEDURE 1. INSPECT BRAKE CYLINDER AND PISTON (a) Check the cylinder bore and piston for rust and scoring. 2. INSPECT PAD LINING THICKNESS (a) Using a ruler, measure the pad lining thickness. Standard thickness: 11.5 mm (0.453 in.) Minimum thickness: 1.0 mm (0.0394 in.) ...

Maintenance data (fuel, oil level, etc.)
Dimensions 2WD models except PreRunner *: Unladen vehicle 4WD models and PreRunner (except Regular Cab models) *: Unladen vehicle *: Unladen vehicle Vehicle capacity weight 2WD models except PreRunner *: Installing accessories in addition to those installed at the factory increase ...