Toyota Tundra (2015 year). Manual — part 1005
OK
PROCEDURE
1.
CHECK HARNESS AND CONNECTOR (4 WHEEL DRIVE CONTROL ECU AND TRANSFER
SHIFT ACTUATOR ASSEMBLY - BODY GROUND)
(a) Disconnect the A26 4 wheel drive control ECU connector.
(b) Disconnect the D68 transfer shift actuator assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
TESTER CONNECTION
CONDITION
SPECIFIED CONDITION
A26-18 (TL1) or D68-1 (TL1) - Body ground
Always
10 kΩ or higher
A26-20 (TL2) or D68-2 (TL2) - Body ground
Always
10 kΩ or higher
A26-26 (TL3) or D68-3 (TL3) - Body ground
Always
10 kΩ or higher
A26-24 (TL4) or D68-4 (TL4) - Body ground
Always
10 kΩ or higher
A26-22 (GTL) or D68-5 (GTL) - Body ground
Always
10 kΩ or higher
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
2.
INSPECT TRANSFER SHIFT ACTUATOR ASSEMBLY (LIMIT SWITCH)
(a) Disconnect the D68 transfer shift actuator assembly
connector.
(b) Measure the resistance according to the value(s) in the table
below.
Standard Resistance:
TESTER CONNECTION
CONDITION
SPECIFIED CONDITION
1 (TL1) - Body ground
Always
10 kΩ or higher
2 (TL2) - Body ground
Always
10 kΩ or higher
3 (TL3) - Body ground
Always
10 kΩ or higher
4 (TL4) - Body ground
Always
10 kΩ or higher
5 (GTL) - Body ground
Always
10 kΩ or higher
WF1AM TRANSFER: TOUCH SELECT 2-4 AND HIGH-LOW SYS...
Text in Illustration
*a
Component without harness connected
(Transfer Shift Actuator Assembly)
NG
REPLACE TRANSFER SHIFT ACTUATOR ASSEMBLY
OK
REPLACE 4 WHEEL DRIVE CONTROL ECU
WF1AM TRANSFER: TOUCH SELECT 2-4 AND HIGH-LOW SYS...
Last Modified: 9-16-2014
6.6 C
Doc ID: RM000005KPW001X
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: WF1AM TRANSFER: TOUCH SELECT 2-4 AND HIGH-LOW SYSTEM: P17AC; Transfer Shift Motor Limit
Switch Circuit; 2015 MY Tundra [08/2014 - ]
DTC
P17AC
Transfer Shift Motor Limit Switch Circuit
DESCRIPTION
DTC
CODE
DTC DETECTION CONDITION
DIAGNOSIS CONDITION
1.
MALFUNCTION STATUS
2.
MALFUNCTION TIME
3.
OTHER
4.
TROUBLE AREA
P17AC
When the ignition switch is ON, the engine is running, and the
driving mode is being switched
1.
switching order is abnormal
2.
0.02 seconds or more
3.
1 trip detection logic
4.
Wire harness and
connector
4 wheel drive
control ECU
Transfer shift
actuator
assembly
WIRING DIAGRAM
Refer to DTC P17AB
.
INSPECTION PROCEDURE
PROCEDURE
1.
CHECK HARNESS AND CONNECTOR (4 WHEEL DRIVE CONTROL ECU - TRANSFER SHIFT
ACTUATOR ASSEMBLY)
(a) Disconnect the A26 4 wheel drive control ECU connector.
(b) Disconnect the D68 transfer shift actuator assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
TESTER CONNECTION
CONDITION SPECIFIED CONDITION
A26-18 (TL1) - D68-1 (TL1)
Always
Below 1 Ω
WF1AM TRANSFER: TOUCH SELECT 2-4 AND HIGH-LOW SYS...
OK
TESTER CONNECTION
CONDITION SPECIFIED CONDITION
A26-20 (TL2) - D68-2 (TL2)
Always
Below 1 Ω
A26-26 (TL3) - D68-3 (TL3)
Always
Below 1 Ω
A26-24 (TL4) - D68-4 (TL4)
Always
Below 1 Ω
A26-22 (GTL) - D68-5 (GTL)
Always
Below 1 Ω
A26-18 (TL1) or D68-1 (TL1) - Body ground
Always
10 kΩ or higher
A26-20 (TL2) or D68-2 (TL2) - Body ground
Always
10 kΩ or higher
A26-26 (TL3) or D68-3 (TL3) - Body ground
Always
10 kΩ or higher
A26-24 (TL4) or D68-4 (TL4) - Body ground
Always
10 kΩ or higher
A26-18 (TL1) - D68-2 (TL2), D68-3 (TL3), D68-4 (TL4) and D68-5 (GTL)
Always
10 kΩ or higher
A26-20 (TL2) - D68-1 (TL1), D68-3 (TL3), D68-4 (TL4) and D68-5 (GTL)
Always
10 kΩ or higher
A26-26 (TL3) - D68-1 (TL1), D68-2 (TL2), D68-4 (TL4) and D68-5 (GTL)
Always
10 kΩ or higher
A26-24 (TL4) - D68-1 (TL1), D68-2 (TL2), D68-3 (TL3) and D68-5 (GTL)
Always
10 kΩ or higher
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
2.
CHECK 4 WHEEL DRIVE CONTROL ECU (ECU OUTPUT VOLTAGE)
(a) Disconnect the transfer shift actuator assembly connector.
(b) Measure the voltage according to the value(s) in the table
below.
Standard Voltage:
TESTER CONNECTION
SWITCH
CONDITION
SPECIFIED
CONDITION
D68-1 (TL1) - Body
ground
Ignition switch ON
4 to 6 V
D68-2 (TL2) - Body
ground
Ignition switch ON
4 to 6 V
D68-3 (TL3) - Body
ground
Ignition switch ON
4 to 6 V
D68-4 (TL4) - Body
ground
Ignition switch ON
4 to 6 V
Text in Illustration
WF1AM TRANSFER: TOUCH SELECT 2-4 AND HIGH-LOW SYS...
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