Section 5 (Diagnosis - F4A42 & F4A51 Automatic Transmission)
WARNING: This page is about a different variant/trim than selected.
- Application
- Identification
- Description & Operation
- Trouble Shooting
- Notes
- Preliminary Inspection
- Symptom Diagnosis
- Notes
- Abnormal Vibration While Driving Vehicle
- All Shift Points Early Or Late
- Engine Stalls When Transaxle Is Shifted From Neutral To Drive Or Neutral To Reverse
- Engine Will Not Crank
- Poor Acceleration
- Harsh Shifts Or Slipping Shifts
- Harsh Shifts When Transaxle Is Shifted From Neutral To Drive & Neutral To Reverse, & Has A Long Time Lag
- Harsh Shift When Transaxle Is Shifted From Neutral To Reverse, & Has A Long Time Lag
- Harsh Shift When Transaxle Is Shifted From Neutral To Drive, and Has A Long Time Lag
- Some Shift Points Early Or Late
- Vehicle Shifts Differently When A/C Is Engaged
- Vehicle Will Not Move
- Vehicle Will Not Move Forward Or Backward In Any Gearshift Lever Position
- Vehicle Will Not Move In Any Forward Gear
- Vehicle Will Not Move In Reverse
- Vehicle Will Not Shift While Driving
- Shift Switch Assembly Malfunction
- Vehicle Will Not Downshift With Cruise Control Engaged
- Clutch & Brake Applications
- Performance Tests
- Self-Diagnostic System
- Diagnostic Tests
- Notes
- DTC 11, 12 & 14: TP Sensor Circuit
- DTC 15 & 16: Oil Temperature Sensor Circuit
- DTC 21: CKP Sensor Circuit
- DTC 22: Input Shaft Speed Sensor Circuit
- DTC 23: Output Shaft Speed Sensor Circuit
- DTC 26: Stoplight Switch Circuit
- DTC 27 & 28: PNP Switch Circuit
- DTC: 29 Vehicle Speed Sensor Circuit
- DTC 31: Low-Reverse Solenoid Valve Circuit, DTC 32: UNDERDRIVE Solenoid Valve Circuit, DTC 33: Second Solenoid Valve Circuit & DTC 34: Overdrive Solenoid Valve Circuit
- DTC 36, 52 & 53: Torque Converter Clutch Solenoid Circuit
- DTC 41: 1ST Gear Ratio Incorrect
- DTC 42: 2ND Gear Ratio Incorrect
- DTC 43: 3RD Gear Ratio Incorrect
- DTC 44: 4TH Gear Ratio Incorrect
- DTC 46: Reverse Gear Ratio Incorrect
- DTC 54: A/T Control Relay Circuit
- DTC 56: "N" Range Indicator Light Circuit
- Symptom Tests
- Notes
- Test A: Vehicle Does Not Move
- Test B: Vehicle Does Not Move Forward
- Test C: Vehicle Does Not Move In Reverse
- Test D: Vehicle Does Not Move (Forward Or Reverse)
- Test E: Engine Stalls When Shifting From Neutral To Drive Or From Neutral To Reverse
- Test F: Shock Or Lag Time When Shifting From Neutral To Drive
- Test G: Shock Or Lag Time When Shifting From Neutral To Reverse
- Test H: Shock Or Lag Time When Shifting From Neutral To Drive & From Neutral To Reverse
- Test I: Shock During Shifting & Transaxle Run-Up
- Test J: Incorrect Shift Points (All Gears)
- Test K: Incorrect Shift Points (Some Gears)
- Test L: Transaxle Does Not Shift (No DTCS)
- Test M: Poor Acceleration
- Test N: Vibration
- Test O: Vehicle Shifts Differently With A/C Engaged
- Circuit Tests
- Component Tests
- Removal & Installation
- Torque Specifications
- Connector Identification
- Pin Voltage Tests
- Wiring Diagrams