Toyota Camry owners & service manuals

Toyota Camry (XV70): Torque Converter Clutch Circuit Short to Battery or Open (P074015)

DESCRIPTION

Refer to DTC P074011.

Click here

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

MIL

Memory

Note

P074015

Torque Converter Clutch Circuit Short to Battery or Open

While the vehicle is being driven so that lock-up is requested, a short to +B or open is detected in the solenoid (SL) valve circuit (2-trip detection logic).

  • Solenoid (SL) valve
  • Transmission wire
  • Harness and connector
  • ECM

Comes on

DTC stored

SAE Code:

P2770

MONITOR DESCRIPTION

Based on the signals from the throttle position sensor, the air flow meter and the crankshaft position sensor, the ECM sends a signal to solenoid (SL) valve to regulate the hydraulic pressure and provide smoother torque converter engagement. Solenoid (SL) valve responds to commands from the ECM. The valve controls the lock-up relay valve to perform the torque-converter lock-up function. If the ECM detects an open or short to +B in the solenoid (SL) valve circuit, it will illuminate the MIL and store the DTC.

MONITOR STRATEGY

Related DTCs

P2770: Solenoid (SL) valve/Range check

Required sensors/components

Solenoid (SL) valve

Frequency of operation

Continuous

Duration

1 time

MIL operation

2 driving cycles

Sequence of operation

None

TYPICAL ENABLING CONDITIONS

The monitor will run whenever the following DTCs are not stored

None

Battery voltage

8 V or more

Engine switch

On (IG)

Starter

OFF

TYPICAL MALFUNCTION THRESHOLDS

All of the following conditions are met

0.065536 sec. or more

Time after command to solenoid ON to OFF

0.008192 sec. or more

Command to solenoid

OFF

Solenoid terminal voltage level

High

COMPONENT OPERATING RANGE

Solenoid (SL) valve

Resistance: 11 to 15 Ω at 20

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