Toyota Tundra (2015 year). Manual — part 602
Duration
0.128 seconds or more
MIL operation
Immediately
TYPICAL ENABLING CONDITIONS
All
The monitor will run whenever the following DTCs are not present
None
Battery voltage
8 V or more
Ignition switch
ON
Starter
OFF
P0979: Range Check (Low Resistance)
Command to shift solenoid valve S3
ON
P0980: Range Check (High Resistance)
Command to shift solenoid valve S3
OFF
TYPICAL MALFUNCTION THRESHOLDS
P0979: Range Check (Low Resistance)
Shift solenoid valve S3 resistance
8 Ω or less
P0980: Range Check (High Resistance)
Shift solenoid valve S3 resistance
100 kΩ or more
COMPONENT OPERATING RANGE
Shift solenoid valve S3 resistance
11 to 15 Ω at 20°C (68°F)
WIRING DIAGRAM
AB60E AUTOMATIC TRANSMISSION: AUTOMATIC TRANSMIS...
INSPECTION PROCEDURE
NOTICE:
Perform the universal trip to clear permanent DTCs
.
HINT:
The shift solenoid valve S3 is turned ON/OFF normally when the shift lever is on D:
ECM gear shift command
1st
2nd
3rd
4th
5th
6th
Shift solenoid valve S3
ON
ON
ON
OFF
OFF
OFF
PROCEDURE
1.
INSPECT NO. 1 TRANSMISSION WIRE (SHIFT SOLENOID VALVE S3)
(a) Disconnect the D63 No. 1 transmission wire connector.
(b) Measure the resistance according to the value(s) in the table below.
AB60E AUTOMATIC TRANSMISSION: AUTOMATIC TRANSMIS...
OK
Standard resistance:
TESTER CONNECTION
CONDITION
SPECIFIED CONDITION
7 (S3) - Body ground
20°C (68°F)
11 to 15 Ω
NG
GO TO STEP 3
2.
CHECK HARNESS AND CONNECTOR (NO. 1 TRANSMISSION WIRE - ECM)
(a) Disconnect the D74 ECM connector.
(b) Measure the resistance according to the value(s) in the table
below.
Standard resistance:
TESTER CONNECTION
CONDITION
SPECIFIED CONDITION
D74-3 (S3) - Body ground
20°C (68°F)
11 to 15 Ω
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK
REPLACE ECM
3.
INSPECT SHIFT SOLENOID VALVE S3
AB60E AUTOMATIC TRANSMISSION: AUTOMATIC TRANSMIS...
(a) Remove shift solenoid valve S3.
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance:
TESTER CONNECTION
CONDITION SPECIFIED CONDITION
Shift solenoid valve S3 connector terminal - Shift solenoid valve S3 body
20°C (68°F)
11 to 15 Ω
OK:
Valve moves and makes an operating noise.
NG
REPLACE SHIFT SOLENOID VALVE S3
OK
REPAIR OR REPLACE NO. 1 TRANSMISSION WIRE
AB60E AUTOMATIC TRANSMISSION: AUTOMATIC TRANSMIS...
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