Toyota Camry owners & service manuals

Toyota Camry (XV70): Pressure Control Solenoid "C" Actuator Stuck Off (P07957F)

DESCRIPTION

Based on signals from the transmission revolution sensors (NT and NC), the actual gear is detected.

The ECM compares the actual gear with the shift schedule in the ECM memory to detect mechanical malfunctions of the solenoid valves, transmission valve body assembly and automatic transaxle assembly (clutch, brake, gear, etc.).

Actual gear when solenoid (SL3) valve malfunction occurs (without fail-safe control):

ECM commanded gear

1st

2nd

3rd

4th

5th

6th

7th

8th

*: Neutral

Actual gear during SL3 stuck ON malfunction

3rd

3rd

3rd

3rd

3rd to 5th

7th

7th

7th

Actual gear during SL3 stuck OFF malfunction

1st

2nd

N*

4th

5th

6th

N*

8th

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

MIL

Memory

Note

P07957F

Pressure Control Solenoid "C" Actuator Stuck Off

All of the following conditions are met (2-trip detection logic):

  • Engine coolant temperature is 40

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