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Last Modified: 11-29-2007 |
1.6 C |
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Service Category: Drivetrain |
Section: Automatic Transmission/Transaxle |
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Model Year: 2008 |
Model: Sequoia |
Doc ID: RM000000W8A04VX |
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Title: AB60F AUTOMATIC TRANSMISSION / TRANSAXLE: AUTOMATIC TRANSMISSION SYSTEM: DESCRIPTION (2008 Sequoia) |
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DTC
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P2716
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Pressure Control Solenoid "D" Electrical (Shift Solenoid Valve SLT)
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DESCRIPTION
Refer to DTC P0894
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DTC No.
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DTC Detection Condition
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Trouble Area
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P2716
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Conditions (a) or (b) below are detected for 1 second or more. (1 trip detection logic)
(a) SLT - terminal: 0 V
(b) SLT - terminal: 12 V
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Open or short in shift solenoid valve SLT circuit
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Shift solenoid valve SLT
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ECM
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Inspect using an oscilloscope:
Check the waveform of the ECM connector.
Standard:
Refer to the illustration.
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Item
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Content
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Terminal No. (Symbol)
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D56-9 (SLT+) - D56-8 (SLT-)
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Tool setting
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5 V/DIV., 1 msec./DIV.
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Condition
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Engine is idling
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MONITOR DESCRIPTION
When an open or short in the shift solenoid valve SLT circuit is detected, the ECM interprets this as a fault. The ECM will turn on the MIL and store the DTC.
MONITOR STRATEGY
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Related DTCs
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P2716: Shift solenoid valve SLT/Range check
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Required sensors/Components
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Shift solenoid valve SLT
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Frequency of operation
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Continuous
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Duration
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1 second
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MIL operation
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Immediately
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Sequence of operation
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None
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TYPICAL ENABLING CONDITIONS
All
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The monitor will run whenever the following DTCs are not present
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None
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Ignition switch
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ON
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Starter
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OFF
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All of the following conditions are met: Condition (A) and (B)
Condition (A)
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Solenoid current cut status
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Not cut
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Target current
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0.1 A or more
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Battery voltage
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11 V or more
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Condition (B)
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Battery voltage
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8 V or more
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TYPICAL MALFUNCTION THRESHOLDS
When either condition below is met: Condition (A) or (B)
Condition (A)
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Solenoid status from Hybrid IC
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Failure
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Condition (B)
COMPONENT OPERATING RANGE
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Output signal duty
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Less than 100%
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WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
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1.
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INSPECT NO. 1 TRANSMISSION WIRE (SHIFT SOLENOID VALVE SLT)
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(a) Disconnect the D41 No. 1 transmission wire connector.
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(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
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Tester Connection
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Condition
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Specified Condition
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13 (SLT+) - 5 (SLT-)
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20°C (68°F)
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5.0 to 5.6 Ω
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13 (SLT+) - Body ground
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Always
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10 kΩ or higher
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5 (SLT-) - Body ground
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Always
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10 kΩ or higher
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| OK |
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2.
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CHECK HARNESS AND CONNECTOR (NO. 1 TRANSMISSION WIRE - ECM)
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(a) Disconnect the D56 ECM connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
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Tester Connection
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Condition
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Specified Condition
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D56-9 (SLT+) - D56-8 (SLT-)
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20°C (68°F)
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5.0 to 5.6 Ω
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D56-9 (SLT+) - Body ground
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Always
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10 kΩ or higher
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D56-8 (SLT-) - Body ground
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Always
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10 kΩ or higher
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| OK |
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3.
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INSPECT SHIFT SOLENOID VALVE SLT
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(a) Remove the shift solenoid valve SLT.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
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Tester Connection
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Condition
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Specified Condition
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1 - 2
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20°C (68°F)
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5.0 to 5.6 Ω
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(c) Connect the battery positive (+) lead with a 21 W bulb to terminal 2 and the negative (-) lead to terminal 1 of the solenoid valve connector. Then check that the valve moves and makes an operating noise.
OK:
Valve moves and makes an operating noise.
| OK |
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