Toyota Tundra (2015 year). Manual — part 342
The monitor will run whenever the following DTCs are not present
None
Solenoid current cut status
Not cut
Battery voltage
11 V or more
Ignition switch
ON
Starter
OFF
TYPICAL MALFUNCTION THRESHOLDS
Solenoid status from solenoid driver MIC
Fail
COMPONENT OPERATING RANGE
Output signal duty
Less than 100%
WIRING DIAGRAM
INSPECTION PROCEDURE
NOTICE:
Perform the universal trip to clear permanent DTCs
.
HINT:
The shift solenoid valve SL1 turns ON/OFF normally when the shift lever is in D:
ECM gear shift command
1st
2nd
3rd
4th
5th
6th
Shift solenoid valve SL1
OFF
OFF
OFF
OFF
ON
ON
PROCEDURE
A760E AUTOMATIC TRANSMISSION: AUTOMATIC TRANSMIS...
OK
1.
INSPECT TRANSMISSION WIRE (SHIFT SOLENOID VALVE SL1)
(a) Disconnect the D83 transmission wire connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
TESTER CONNECTION
CONDITION
SPECIFIED CONDITION
16 (SL1+) - 5 (SL1-)
20°C (68°F)
5.0 to 5.6 Ω
16 (SL1+) - Body ground
Always
10 kΩ or higher
5 (SL1-) - Body ground
Always
10 kΩ or higher
Text in Illustration
*a
Component without harness connected
(Transmission Wire)
NG
GO TO STEP 3
2.
CHECK HARNESS AND CONNECTOR (TRANSMISSION WIRE - ECM)
(a) Disconnect the D74 ECM connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
A760E AUTOMATIC TRANSMISSION: AUTOMATIC TRANSMIS...
TESTER CONNECTION
CONDITION
SPECIFIED CONDITION
D74-14 (SL1+) - D74-15 (SL1-)
20°C (68°F)
5.0 to 5.6 Ω
D74-14 (SL1+) - Body ground
Always
10 kΩ or higher
D74-15 (SL1-) - Body ground
Always
10 kΩ or higher
Text in Illustration
*a
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK
REPLACE ECM
3.
INSPECT SHIFT SOLENOID VALVE SL1
(a) Remove shift solenoid valve SL1.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
TESTER CONNECTION
CONDITION
SPECIFIED CONDITION
1 - 2
20°C (68°F)
5.0 to 5.6 Ω
(c) Apply 12 V battery voltage to the shift solenoid valve and check that the valve moves and makes an
operating noise.
OK:
A760E AUTOMATIC TRANSMISSION: AUTOMATIC TRANSMIS...
MEASUREMENT CONDITION
SPECIFIED CONDITION
Battery positive (+) with a 21 W bulb → Terminal 1
Battery negative (-) → Terminal 2
Valve moves and makes an operating noise
Text in Illustration
*a
Component without harness connected
(Shift Solenoid Valve SL1)
NG
REPLACE SHIFT SOLENOID VALVE SL1
OK
REPAIR OR REPLACE TRANSMISSION WIRE
A760E AUTOMATIC TRANSMISSION: AUTOMATIC TRANSMIS...
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