P1760 (blink 77) on Toyota Corolla E120: LINEAR SOLENOID FOR ACCUMULATOR PRESSURE CONTROL MALFUNCTION (SLT)
Short answer: P1760 means “LINEAR SOLENOID FOR ACCUMULATOR PRESSURE CONTROL MALFUNCTION (SLT)”. The car’s computer has found a fault in the ECT A245E/A246E system. First check: workshop check order (RM821E): INSPECT TRANSMISSION WIRE -> CHECK WIRE HARNESS AND CONNECTOR(Transmission wire − Engine ECU) -> INSPECT LINE PRESSURE CONTROL SOLENOID ASSY(SLT).
- Code
- P1760 · blink 77
- System
- ECT A245E/A246E
- Dashboard light
- CHECK ENGINE (MIL) does NOT light (DTC stored in memory only)
- Applies to
- 4-speed A/T A245E/A246E (RM821E ECT section covers both). PK: ZZE121R-GEPNKP 1.6 auto = A246E 30500-1A761 (PartSouq EPC fig 3501). PK 1.3 NZE120 has no auto.
- Confidence
- high (official Toyota RM821E)
- Source
- toyotamanuals.gitlab.io
Symptoms and when it is set
- (a) or (b) condition below is detected for 1 second or more. (a) SLT− terminal: 0V (b) SLT− terminal: 12V 5 V/ HINT: Division Refer to the chart fo and SLT− during engin GND
Likely causes
- Transmission wire; Wire harness; SLT solenoid valve; Engine ECU r the wave form between terminals SLT+ e idling.
What to check, in order
- Workshop check order (RM821E): INSPECT TRANSMISSION WIRE -> CHECK WIRE HARNESS AND CONNECTOR(Transmission wire − Engine ECU) -> INSPECT LINE PRESSURE CONTROL SOLENOID ASSY(SLT)
Related on this car
Clearing the code does not fix the fault. If it comes back, the problem is still there. For brakes, airbags and steering, see a trained mechanic.