DTC P074513 Pressure Control Solenoid "A" Circuit Open |
for Preparation Click here
DESCRIPTION
Changing from 1st to 6th gear is performed by the ECM turning shift solenoid valves SL1, SL2, SL3, SL4 and SL on and off. If an open or short occurs in any of the shift solenoid valve circuits, the ECM controls the remaining normal shift solenoid valves to allow the vehicle to be driven (Click here).DTC No. | DTC Detection Condition | Trouble Area |
P074513 | 1. Diagnosis Condition 2. Malfunction Status 3. Malfunction Time 4. Other
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MONITOR DESCRIPTION
This DTC indicates an open or short in the shift solenoid valve SL1 circuit. The ECM commands gear shifts by turning the shift solenoid valves on or off. When there is an open or short in any of the shift solenoid valve circuits, the ECM detects the problem, illuminates the MIL and stores a DTC. The ECM also performs the fail-safe function and turns the other normal shift solenoid valves on or off. (In the case of an open or short, the ECM stops sending current to the circuit.)While driving and shifting between 4th and 5th gear, if the ECM detects an open or short in the shift solenoid valve SL1 circuit, the ECM determines there is a malfunction (Click here).
WIRING DIAGRAM
INSPECTION PROCEDURE
- NOTICE:
- Perform registration and/or initialization when parts related to the automatic transaxle are replaced (Click here).
- HINT:
- The following table shows normal operation of the shift solenoid valve SL1 when the shift lever is in D:
ECM commanded gear 1st 2nd 3rd 4th 5th 6th Shift solenoid valve SL1 ON ON ON ON OFF OFF - After performing repair, clear the DTCs and perform the following procedure to check that DTCs are not output.
- Perform the D Position Shift Test inspection in Road Test (Click here).
- Check for DTCs again (Click here).
1.CHECK HARNESS AND CONNECTOR (SHIFT SOLENOID VALVE SL1 CIRCUIT) |
Disconnect the E96 ECM connector.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
Tester Connection Condition Specified Condition E96-15 (SL1+) - E96-14 (SL1-) 20°C (68°F) 5.0 to 5.6 Ω E96-15 (SL1+) - Body ground and other terminals Always 10 kΩ or higher E96-14 (SL1-) - Body ground and other terminals Always 10 kΩ or higher
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OK | ||
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2.CHECK HARNESS AND CONNECTOR (ECM - WIRING HARNESS CONNECTOR) |
Disconnect the E8 connector from the wiring harness connector.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
Tester Connection Condition Specified Condition E96-15 (SL1+) - E8-17 (SL1+) Always Below 1 Ω E96-14 (SL1-) - E8-16 (SL1-) Always Below 1 Ω E96-15 (SL1+) or E8-17 (SL1+) - Body ground and other terminals Always 10 kΩ or higher E96-14 (SL1-) or E8-16 (SL1-) - Body ground and other terminals Always 10 kΩ or higher
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OK | |
3.INSPECT TRANSMISSION WIRE (SL1) |
Remove the wiring harness connector.
Text in Illustration *a Component without harness connected
(Transmission Wire)
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
Tester Connection Condition Specified Condition A-14 (SL1+) - A-13 (SL1-) 20°C (68°F) 5.0 to 5.6 Ω A-14 (SL1+) - Body ground and other terminals Always 10 kΩ or higher A-13 (SL1-) - Body ground and other terminals Always 10 kΩ or higher
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OK | ||
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4.INSPECT SHIFT SOLENOID VALVE SL1 |
Remove the shift solenoid valve SL1.
*1 | Shift Solenoid Valve SL1 |
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
Connect a positive (+) lead from the battery with a 21 W bulb to terminal 2 and a negative (-) lead to terminal 1 of the solenoid valve connector. Check that the valve moves and makes an operating sound.
- OK:
- Valve moves and makes an operating sound.
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OK | ||
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