BAT
Brakes, ABS & TRAC Systems
167 pages— Pages
001BRAKE SYSTEM002GENERAL DESCRIPTION003PREPARATION004RECOMMENDED TOOLS005TROUBLESHOOTING006CHECK AND ADJUSTMENT BRAKE PEDAL CHECK AND ADJUSTMENT007BRAKE BOOSTER OPERATIONAL TEST008BRAKE SYSTEM — CHECK AND ADJUSTMENT009TRAC CONTROL SYSTEM BLEEDING010PARKING BRAKE CHECK AND ADJUSTMENT011MASTER CYLINDER
MASTER CYLINDER REMOVAL012COMPONENTS013MASTER CYLINDER DISASSEMBLY014MASTER CYLINDER COMPONENTS INSPECTION015BRAKE BOOSTER
BRAKE BOOSTER REMOVAL016BRAKE BOOSTER INSTALLATION017FRONT BRAKE (2JZ–GE) COMPONENTS018BRAKE PADS REPLACEMENT019CALIPER REMOVAL020CALIPER DISASSEMBLY021FRONT BRAKE COMPONENTS INSPECTION AND REPAIR022FRONT BRAKE (2JZ–GTE) COMPONENTS023CALIPER REMOVAL024CALIPER DISASSEMBLY025FRONT BRAKE COMPONENTS INSPECTION AND REPAIR026REAR BRAKE (2JZ–GE) COMPONENTS027BRAKE PADS REPLACEMENT028CALIPER REMOVAL029CALIPER DISASSEMBLY030REAR BRAKE COMPONENTS INSPECTION AND REPAIR031REAR BRAKE (2JZ–GTE) COMPONENTS032CALIPER REMOVAL033CALIPER DISASSEMBLY034REAR BRAKE COMPONENTS INSPECTION AND REPAIR035REAR BRAKE (Parking Brake) COMPONENTS036PARKING BRAKE COMPONENTS INSPECTION AND REPAIR037BRAKE SYSTEM — REAR BRAKE (Parking Brake)038PARKING BRAKE ASSEMBLY039BRAKE SYSTEM — REAR BRAKE (Parking Brake)040PROPORTIONING AND BY–PASS VALVE (P & B VALVE) FLUID PRESSURE INSPECTION0412JZ–GE:042ANTI–LOCK BRAKE SYSTEM (ABS)
ABS ACTUATOR
COMPONENTS043BRAKE SYSTEM — ANTI-LOCK BRAKE SYSTEM (ABS)044ABS ACTUATOR REMOVAL045INSPECT BATTERY POSITIVE VOLTAGE046INSPECT BRAKE ACTUATOR OPERATION047BRAKE SYSTEM — ANTI-LOCK BRAKE SYSTEM (ABS)048FRONT SPEED SENSOR COMPONENTS049REAR SPEED SENSOR COMPONENTS050-MEMO-051TROUBLESHOOTING052HOW TO PROCEED WITH TROUBLESHOOTING053CUSTOMER PROBLEM ANALYSIS CHECK SHEET054DIAGNOSIS SYSTEM INDICATOR CHECK055ECU DATA MONITOR USING TOYOTA HAND–HELD TESTER056DIAGNOSTIC TROUBLE CODE CHART057BRAKE SYSTEM — ANTI-LOCK BRAKE SYSTEM (ABS)058PARTS LOCATION059ECU TERMINALS STANDARD VALUE w/o TRAC:060w/ TRAC:061BRAKE SYSTEM — ANTI-LOCK BRAKE SYSTEM (ABS)062SPEED SENSOR SIGNAL CHECK063ECU DATA MONITOR USING TOYOTA HAND–HELD TESTER064PROBLEM SYMPTOMS CHART065DTC 11 12 ABS Solenoid Relay Circuit066WIRING DIAGRAM067INSPECTION PROCEDURE (w/o TRAC)068Check ABS solenoid relay.069INSPECTION PROCEDURE (w/ TRAC)070Check ABS solenoid relay.071DTC 13 14 ABS Motor Relay Circuit072WIRING DIAGRAM073INSPECTION PROCEDURE (w/o TRAC)074Check ABS motor relay.075INSPECTION PROCEDURE (w/ TRAC)076Check ABS motor relay.077DTC 15 16 TRAC Solenoid Relay Circuit078INSPECTION PROCEDURE079Check TRAC solenoid relay.080DTC 17 18 TRAC Motor Relay Circuit081INSPECTION PROCEDURE082Check TRAC motor relay.083DTC 21 22 23 24 ABS Actuator Solenoid Circuit084WIRING DIAGRAM085Check ABS actuator solenoid.086DTC 25 27 TRAC Actuator Solenoid Circuit087INSPECTION PROCEDURE088DTC 31 32 33 34 35 36 Speed Sensor Circuit089WIRING DIAGRAM090INSPECTION PROCEDURE091Check sensor rotor and sensor installation.092DTC 41 IG Power Source Circuit093INSPECTION PROCEDURE.094Check continuity between terminal GND of ABS (& TRAC) ECU connector and body ground.095DTC 44 Lateral Acceleration Sensor Circuit096INSPECTION PROCEDURE.097DTC 51 ABS Pump Motor Lock098DTC 55 Brake Fluid Level Warning Switch Circuit099INSPECTION PROCEDURE100DTC 58 TRAC Pump Motor Circuit101INSPECTION PROCEDURE.102DTC 61 TRAC ECU Communication Circuit Malfunction103INSPECTION PROCEDURE.104DTC 62 TRAC Vehicle Speed Malfunction105Stop Light Switch Circuit106INSPECTION PROCEDURE107ABS Warning Light Circuit108INSPECTION PROCEDURE (w/o TRAC)109BRAKE SYSTEM — ANTI-LOCK BRAKE SYSTEM (ABS)110INSPECTION PROCEDURE (w/ TRAC)111BRAKE SYSTEM — ANTI-LOCK BRAKE SYSTEM (ABS)112Tc Terminal Circuit113INSPECTION PROCEDURE.114Ts Terminal Circuit115Check for Fluid Leakage116TRACTION CONTROL SYSTEM (TRAC)117BRAKE SYSTEM — TRACTION CONTROL SYSTEM (TRAC)118TRAC PUMP REMOVAL119TRAC ACTUATOR COMPONENTS120BRAKE SYSTEM — TRACTION CONTROL SYSTEM (TRAC)121TRAC ACTUATOR REMOVAL122-MEMO-123TROUBLESHOOTING124HOW TO PROCEED WITH TROUBLESHOOTING125TRAC Check Sheet126DIAGNOSIS SYSTEM INDICATOR CHECK127DIAGNOSTIC TROUBLE CODE CLEARANCE128DIAGNOSTIC TROUBLE CODE CHART129PARTS LOCATION130ECU TERMINALS STANDARD VALUE ABS & TRAC ECU:131BRAKE SYSTEM — TRACTION CONTROL SYSTEM (TRAC)132TRAC ECU:133PROBLEM SYMPTOMS CHART134DTC 24 TRAC Sub–Throttle Actuator Circuit135INSPECTION PROCEDURE136Check sub–throttle actuator.137DTC 25 26 TRAC Sub–Throttle Valve138DTC 31 32 33 34 Speed Sensor Circuit139WIRING DIAGRAM140INSPECTION PROCEDURE141Check sensor rotor and sensor installation.142DTC 41 IG Power Source Circuit
CIRCUIT DESCRIPTION143INSPECTION PROCEDURE144Check ECU–IG fuse.145DTC 43 ABS & TRAC ECU Malfunction146BRAKE SYSTEM — TRACTION CONTROL SYSTEM (TRAC)147DTC 44 NE Signal Circuit148INSPECTION PROCEDURE149DTC 45 46 Main Throttle Position Sensor Circuit CIRCUIT DESCRIPTION150INSPECTION PROCEDURE151BRAKE SYSTEM — TRACTION CONTROL SYSTEM (TRAC)152DTC 47 48 Sub–Throttle Position Sensor Circuit CIRCUIT DESCRIPTION153INSPECTION PROCEDURE154BRAKE SYSTEM — TRACTION CONTROL SYSTEM (TRAC)155DTC 51 Engine Malfunction Detection Circuit156DTC 53 ECM Communication Circuit Malfunction157DTC 61 ABS & TRAC ECU Communication Circuit Malfunction158INSPECTION PROCEDURE159TRAC OFF Indicator TRAC Cut Switch Circuit160INSPECTION PROCEDURE161Check TRAC solenoid relay.162TRAC Indicator Light Circuit163Tc Terminal Circuit164INSPECTION PROCEDURE165Check for Fluid Leakage166SERVICE SPECIFICATIONS
SERVICE DATA167TORQUE SPECIFICATIONS