Toyota Tundra (2015 year). Manual — part 477
INSPECTION PROCEDURE
NOTICE:
Perform the universal trip to clear permanent DTCs
.
PROCEDURE
1.
CHECK TRANSFER INDICATOR SWITCH
(a) Disconnect the D70 transfer indicator switch connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
TESTER CONNECTION
CONDITION
SPECIFIED CONDITION
D70-2 (L4) - Body ground
Always
10 kΩ or higher
Text in Illustration
*a
NG
GO TO STEP 2
OK
GO TO TOUCH SELECT 2-4 AND HIGH-LOW SYSTEM
2.
CHECK 4 WHEEL DRIVE CONTROL ECU
(a) Disconnect the D70 transfer indicator switch connector.
A760F AUTOMATIC TRANSMISSION: AUTOMATIC TRANSMISS...
(b) Disconnect the A26 4 wheel drive control ECU connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
TESTER CONNECTION
CONDITION
SPECIFIED CONDITION
A26-13 (L4) - Body ground
Always
10 kΩ or higher
Text in Illustration
*a
NG
GO TO STEP 3
OK
GO TO TOUCH SELECT 2-4 AND HIGH-LOW SYSTEM
3.
CHECK ECM
(a) Disconnect the D70 transfer indicator switch connector.
(b) Disconnect the A26 4 wheel drive control ECU connector.
(c) Disconnect the A24 ECM connector.
(d) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
TESTER CONNECTION
CONDITION
SPECIFIED CONDITION
A24-21 (L4) - Body ground
Always
10 kΩ or higher
Text in Illustration
*a
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
(ECM - 4 WHEEL DRIVE CONTROL ECU, TRANSFER
INDICATOR SWITCH)
A760F AUTOMATIC TRANSMISSION: AUTOMATIC TRANSMISS...
OK
REPLACE ECM
A760F AUTOMATIC TRANSMISSION: AUTOMATIC TRANSMISS...
Last Modified: 9-16-2014
6.6 J
Doc ID: RM000000WP10IAX
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: A760F AUTOMATIC TRANSMISSION: AUTOMATIC TRANSMISSION SYSTEM: Transmission Control Switch
Circuit; 2015 MY Tundra [08/2014 - ]
Transmission Control Switch Circuit
DESCRIPTION
After moving the shift lever to S, it is possible to switch the shift range between "1" (S1 range) and "6" (S6
range) using the transmission control switch.
Shifting to "+" once raises the shift range by one, and shifting to "-" once lowers the shift range by one.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
1.
INSPECT TRANSMISSION CONTROL SWITCH
A760F AUTOMATIC TRANSMISSION: AUTOMATIC TRANSMISS...
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