DESCRIPTION
Based on the signal received by the shift solenoid valve SL, the ECM uses the shift solenoid valve SLU to control the lock-up clutch pressure.
If there is an open or short in the shift solenoid valve SL circuit, the ECM stops sending current to the defective shift solenoid valve.
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
MIL |
Memory |
---|---|---|---|---|---|
P2769 |
Torque Converter Clutch Solenoid Circuit Low |
While the lock-up is operating, a short is detected in the shift solenoid valve SL circuit 1 time or more consecutively (1 trip detection logic). |
|
Comes on |
DTC stored |
P2770 |
Torque Converter Clutch Solenoid Circuit High |
While the lock-up is operating, an open is detected in the shift solenoid valve SL circuit 1 time or more consecutively (1 trip detection logic). |
|
Comes on |
DTC stored |
MONITOR DESCRIPTION
These DTCs indicate an open or short in the shift solenoid valve SL circuit. If there is an open or short in the shift solenoid valve SL circuit, the ECM detects the malfunction, illuminates the MIL and stores a DTC.
MONITOR STRATEGY
Related DTCs |
P2769: Torque Converter Clutch Solenoid (Shift solenoid valve SL) / Range check P2770: Torque Converter Clutch Solenoid (Shift solenoid valve SL) / Range check |
Required sensors/Components |
Continuously variable transaxle assembly Torque Converter Clutch Solenoid (Shift solenoid valve SL) |
Frequency of operation |
Continuous |
Duration Conditions |
1 times |
MIL operation |
Immediately |
Sequence of operation |
None |
TYPICAL ENABLING CONDITIONS
All
Battery voltage |
8 V or more |
Time after Battery voltage 8 V or more |
0.5 seconds or more |
Write Inhibit |
permit |
Time after Write status forbiddance to permit |
0.5 seconds or more |
Ignition switch |
ON |
Time after Ignition switch OFF to ON |
0.5 seconds or more |
Starter |
OFF |
Time after Starter ON to OFF |
0.5 seconds or more |
TYPICAL MALFUNCTION THRESHOLDS
P2769:
All of the following conditions are met: |
4 times or more |
Command to solenoid |
ON |
Time after command to solenoid OFF to ON |
0.008 seconds or more |
Solenoid terminal voltage level (Shift solenoid valve SL) |
Low |
All of the following conditions are met: |
4 times or more |
Command to solenoid |
OFF |
Time after command to solenoid OFF to ON |
0.008 seconds or more |
Solenoid terminal voltage level (Shift solenoid valve SL) |
High |
COMPONENT OPERATING RANGE
Shift solenoid valve SL |
Resistance: 11 to 15 Ω at 20°C (68°F) |
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Click here
Click here
Click here
HINT:
After performing repair, clear the DTCs and perform the following procedure to check that DTCs are not output.
Click here
Click here
PROCEDURE
1. |
INSPECT TRANSMISSION WIRE (SHIFT SOLENOID VALVE SL) |
(a) Disconnect the C40 transmission wire connector. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
12 (SL) - Body ground |
20°C (68°F) |
11 to 15 Ω |
NG |
GO TO STEP 4 |
|
2. |
CHECK HARNESS AND CONNECTOR (TRANSMISSION WIRE - ECM) |
(a) Disconnect the ECM connector. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
C63-67 (SL) - Body ground |
20°C (68°F) |
11 to 15 Ω |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR (TRANSMISSION WIRE - ECM) |
|
3. |
REPLACE ECM |
(a) Replace the ECM.
Click here
NEXT |
PERFORM INITIALIZATION |
4. |
REPLACE CONTINUOUSLY VARIABLE TRANSAXLE ASSEMBLY |
(a) Replace the continuously variable transaxle assembly.
Click here
Click here
NEXT |
PERFORM INITIALIZATION |
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