Toyota Tundra (2015 year). Manual — part 873
Last Modified: 9-16-2014
6.6 U
Doc ID: RM0000030AH00IX
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: WF1AM TRANSFER: TOUCH SELECT 2-4 AND HIGH-LOW SYSTEM: FAIL-SAFE CHART; 2015 MY Tundra
[08/2014 - ]
FAIL-SAFE CHART
TOUCH SELECT 2-4 AND HIGH-LOW SYSTEM
DTC
NO.
FAIL-SAFE OPERATION
FAIL-SAFE DEACTIVATION CONDITION
U0100
Prohibits switching to 4L or switching
from 4L for all shift positions
CAN communication signal from ECM is received
U0122
Prohibits all switching except from 4H
to 2WD
CAN communication signal from skid control ECU is received
U0416
Prohibits all switching except from 4H
to 2WD
Wheel speed sensor malfunction signals from skid control ECU
return to normal
P0560
Maintains current 4WD mode
B terminal voltage becomes 9.5 V or higher (for 1 second)
P17A0 Prohibits switching from 2WD to 4H
Recovers from open circuit in the A.D.D. shift motor drive
circuit (for 1 second)
P17A1 Prohibits switching from 2WD to 4H
Recovers from short to ground in the A.D.D. shift motor drive
circuit (for 1 second)
P17A2 Prohibits switching from 2WD to 4H
Recovers from short to B+ in the A.D.D. shift motor (for 1
second)
P17A4 Prohibits switching from 2WD to 4H
A.D.D. actuator limit switch (2 lines) signal returns to normal
(for 1 second)
P17A5
Prohibits switching from 2WD to 4H
while the vehicle is being drive
Recovers from open circuit in the solenoid coil drive circuit and
the ignition switch turned from off to ON
P17A6
Prohibits switching from 2WD to 4H
while the vehicle is being driven
Recovers from short to ground in the solenoid coil drive circuit
and the ignition switch is turned from off to ON
P17A7
Prohibits switching from 2WD to 4H
while the vehicle is being driven
Recovers from short to B+ in the solenoid coil drive circuit and
the ignition switch is turned from off to ON
P17A8
Prohibits all switching (maintains the
current position)
Recovers from open circuit in the transfer shift motor drive
circuit and the ignition switch is turned from off to ON
P17A9
Prohibits all switching (maintains the
current position)
Recovers from short to ground in the transfer shift motor drive
circuit and the ignition switch is turned from off to ON
P17AA
Prohibits all switching (maintains the
current position)
Recovers from short to B+ in the transfer shift motor drive
circuit and the ignition switch is turned from off to ON
P17AB
Prohibits all switching (maintains the
current position)
Recovers from short to ground in the transfer shift actuator
limit switch and the ignition
P17AC
Prohibits all switching (maintains the
current position)
Transfer shift actuator limit switch signal is returns to normal
and the ignition switch is turned from off to ON
P2772
Prohibits all switching (maintains the
current position)
4WD HIGH and LOW position signals return to normal (for 1
second)
WF1AM TRANSFER: TOUCH SELECT 2-4 AND HIGH-LOW SYS...
DTC
NO.
FAIL-SAFE OPERATION
FAIL-SAFE DEACTIVATION CONDITION
P279E
Prohibits all switching (maintains the
current position)
Transfer position switch signal returns to normal (for 1 second)
WF1AM TRANSFER: TOUCH SELECT 2-4 AND HIGH-LOW SYS...
Last Modified: 9-16-2014
6.6 S
Doc ID: RM000005KPK001X
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: WF1AM TRANSFER: TOUCH SELECT 2-4 AND HIGH-LOW SYSTEM: DIAGNOSTIC TROUBLE CODE CHART;
2015 MY Tundra [08/2014 - ]
DIAGNOSTIC TROUBLE CODE CHART
TOUCH SELECT 2-4 AND HIGH-LOW SYSTEM
DTC
CODE
DETECTION ITEM
4LO INDICATOR AND 4HI
INDICATOR
SEE
PAGE
P0560
System Voltage
Not illuminated
P17A0
Automatic Disconnecting Differential Motor Control
Circuit Open
Rapidly blinking
P17A1
Automatic Disconnecting Differential Motor Control
Circuit Low
Rapidly blinking
P17A2
Automatic Disconnecting Differential Motor Control
Circuit High
Rapidly blinking
P17A4
Automatic Disconnecting Differential Motor Limit Switch
Circuit
Rapidly blinking
P17A5
Transfer Synchronization Actuator Circuit Open
Rapidly blinking
P17A6
Transfer Synchronization Actuator Circuit Low
Rapidly blinking
P17A7
Transfer Synchronization Actuator Circuit High
Rapidly blinking
P17A8
Transfer Shift Motor Control Circuit Circuit Open
Rapidly blinking
P17A9
Transfer Shift Motor Control Circuit Low
Rapidly blinking
P17AA
Transfer Shift Motor Control Circuit High
Rapidly blinking
P17AB
Transfer Shift Motor Position Circuit
Rapidly blinking
P17AC
Transfer Shift Motor Limit Switch Circuit
Rapidly blinking
P2772
Four Wheel Drive (4WD) Low Switch Circuit Range /
Performance
Rapidly blinking
P279E
Four Wheel Drive (4WD) Range Signal Circuit Range /
Performance
Rapidly blinking
U0100
Lost Communication with ECM / PCM "A"
Rapidly blinking
U0122
Lost Communication with Vehicle Dynamics Control
Module
Rapidly blinking
U0416
Invalid Data Received from Vehicle Dynamics Control
Module
Rapidly blinking
Rapidly blinking: Blinks at 0.25 second intervals (0.25 seconds on and 0.25 seconds off)
WF1AM TRANSFER: TOUCH SELECT 2-4 AND HIGH-LOW SYS...
Last Modified: 9-16-2014
6.6 C
Doc ID: RM000005KPO001X
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: WF1AM TRANSFER: TOUCH SELECT 2-4 AND HIGH-LOW SYSTEM: P0560; System Voltage; 2015 MY
Tundra [08/2014 - ]
DTC
P0560
System Voltage
DESCRIPTION
This DTC is detected when the 4 wheel drive control ECU, which monitors the B terminal voltage, determines that
the standard voltage is not met and detects a B terminal system malfunction.
DTC
CODE
DTC DETECTION CONDITION
DIAGNOSIS CONDITION
1.
MALFUNCTION STATUS
2.
MALFUNCTION TIME
3.
OTHER
4.
TROUBLE AREA
P0560
The ignition switch is ON and the transfer position switch is
operated
1.
Open circuit or short to ground in the B terminal system (B
terminal voltage is below 9.5 V)
2.
1 second or more
3.
1 trip detection logic
4.
Battery
Charging system
Wire harness and
connector
4 wheel drive
control ECU
WIRING DIAGRAM
INSPECTION PROCEDURE
WF1AM TRANSFER: TOUCH SELECT 2-4 AND HIGH-LOW SYS...
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