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TRANSMISSION CONTROL SYSTEM (4L30–E) 7A1–1 FRONTERA TRANSMISSION TRANSMISSION CONTROL SYSTEM (4L30–E) CONTENTS Service Precaution 7A1–2 . . . . . . . . . . . . . . . . . . . . . . General Description 7A1–2 . . . . . . . . . . . . . . . . . . . . . Electronic Control Diagram 7A1–3 . . . . . . . . . . . . . Powertrain Control Module (PCM) 7A1–4 . . . . . . . Control System Diagram 7A1–5 . . . . . . . . . . . . . . . Shift Control 7A1–6 . . . . . . . . . . . . . . . . . . . . . . . . . . Band Apply Control 7A1–6 . . . . . . . . . . . . . . . . . . . . Torque Converter Clutch Control 7A1–6 . . . . . . . . . Line Pressure Control 7A1–6 . . . . . . . . . . . . . . . . . . On–Board Diagnostic System 7A1–6 . . . . . . . . . . . Fail Safe Mechanism 7A1–6 . . . . . . . . . . . . . . . . . . . Torque Management Control 7A1–6 . . . . . . . . . . . . ATF Warning Control 7A1–6 . . . . . . . . . . . . . . . . . . . Shift Mode Control 7A1–7 . . . . . . . . . . . . . . . . . . . . . Gear Shift Control 7A1–8 . . . . . . . . . . . . . . . . . . . . . Winter Drive Mode 7A1–9 . . . . . . . . . . . . . . . . . . . . . Backup Mode 7A1–9 . . . . . . . . . . . . . . . . . . . . . . . . . Functions of Input / Output Components 7A1–10 . . Diagnosis 7A1–11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Electronic Diagnosis 7A1–11 . . . . . . . . . . . . . . . . . . . Check Trans Indicator 7A1–11 . . . . . . . . . . . . . . . . . . Diagnostic Check 7A1–11 . . . . . . . . . . . . . . . . . . . . . . “Check Trans” Check 7A1–12 . . . . . . . . . . . . . . . . . . Tech 2 OBD II Connection 7A1–13 . . . . . . . . . . . . . . F0: Transmission Data 7A1–17 . . . . . . . . . . . . . . . . . F1: PC Solenoid Data 7A1–18 . . . . . . . . . . . . . . . . . . Flashing Code 7A1–19 . . . . . . . . . . . . . . . . . . . . . . . . OBD II Diagnostic Management System 7A1–20 . . 16 – Terminal Data Link Connector (DLC) 7A1–21 . Malfunction Indicator Lamp (MIL) 7A1–22 . . . . . . . . Types Of Diagnostic Trouble Code (DTCs) 7A1–22 Clear DTC 7A1–22 . . . . . . . . . . . . . . . . . . . . . . . . . . . . DTC Check 7A1–23 . . . . . . . . . . . . . . . . . . . . . . . . . . . PCM Precaution 7A1–23 . . . . . . . . . . . . . . . . . . . . . . . Information On PCM 7A1–23 . . . . . . . . . . . . . . . . . . . Intermittent Conditions 7A1–24 . . . . . . . . . . . . . . . . . Transmission and PCM Identification 7A1–25 . . . . . Isuzu Frontera 7A1–25 . . . . . . . . . . . . . . . . . . . . . . . . Diagnostic Trouble Code (DTC) 7A1–26 . . . . . . . . . . . . . . . . . . . . . . . . . DTC P0218/Flashing Code 71 Transmission 7A1–27 . . . . . . . . . . . . . . . . . DTC P0560/Flashing Code 72 System 7A1–29 . . . . . . . . . . . . . . . . . . . . . DTC P0705/Flashing Code 73 Transmission 7A1–32 DTC P0706/Flashing Code 74 Transmission 7A1–35 . DTC P0712/Flashing Code 75 Transmission 7A1–38 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DTC P0713/Flashing Code 76 Transmission 7A1–41 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DTC P0719/Flashing Code 77 TCC Brake 7A1–44 . . . . . . . . . . . . DTC P0722/Flashing Code 78 Transmission 7A1–47 . . . . DTC P0723/Flashing Code 79 Transmission 7A1–50 . . DTC P0730/Flashing Code 81 Transmission 7A1–53 . . . . . . . . . . . . . . . . . . . . DTC P0748/Flashing Code 82 Pressure 7A1–56 . . . . . . . . . . . . . . . . . . . . . . . . DTC P0753/Flashing Code 83 Shift Solenoid 7A1–58 . . . . . . . . . . . . . . . . . . . . . . . . . . . . DTC P0758/Flashing Code 84 Shift Solenoid 7A1–61 . . . . . . . . . . . . . . . . . . . . . . . . . . . . DTC P1790/Flashing Code 85 ROM 7A1–65 . . . . . . . DTC P1792/Flashing Code 86 EEPROM 7A1–66 . . . . . . . DTC P1835/Flashing Code 87 Kickdown 7A1–67 . . . . . . . . . . . . . . . . . . . . . . DTC P1850/Flashing Code 88 Brake Band 7A1–69 . . . . . . . . . . . . . . DTC P1860/Flashing Code 89 TCC 7A1–73 . . . . . . . . . . . . . . . . . . . . . . Circuit Diagram 7A1–76 . . . . . . . . . . . . . . . . . . . . . . . . . Parts Location 7A1–78 . . . . . . . . . . . . . . . . . . . . . . . . . . Harness Connector Faces 7A1–79 . . . . . . . . . . . . . . . . |