Electronic Controlled Unit ECU
NOTE The EFI circuit can be checked by measuring the resistance and voltage at the wiring connectors of the ECU. Check the voltages at the wiring connectors. Remove the rear luggage compartment trim. Turn the ignition switch ON. Measure the voltage at each terminal. NOTE 1. Perform all, voltage measurements with the connectors connected. 2. Verify that the battery voltage is 11 V or above when the ignition switch is ON. Voltage at ECU Wiring Connectors 4A-GE Intake air temperature 20 C 68 F...
Side doors
Insert the key into the keyhole and turn it. To lock Turn the key forward. To unlock Turn the key backward. All the side doors and back door lock and unlock simultaneously with driver's door. In the driver's door lock, turning the key once will unlock the driver's door and twice in succession will unlock all the side doors and back door simultaneously. When the driver's door is unlocked using the key, the illuminated entry system will be activated. For further information, see Illuminated entry...
Onvehicle Inspection Nmw
a Using SST, connect terminals B and FP of the check b Turn the ignition switch ON. NOTICE Do not start the engine. c Check that there is pressure in the hose from the fuel filter. HINT At this time, you will hear fuel return noise. If there is no pressure, check the following parts a Check that the battery voltage is above 12 volts. b Disconnect the cable from the negative - terminal of CAUTION Work must be started after approx. 20 seconds or longer from the time the ignition switch is turned...
Removal Of Air Flow Meter 1
1. REMOVE NO.4 AIR CLEANER PIPE WITH NO.1 AND NO.2 AIR CLEANER HOSES 2. REMOVE AIR FLOW METER WITH AIR CLEANER CAP b Remove the three clamps and bolt. c Loosen the clamp and remove the air flow meter with air cleaner cap. a Remove the two screws and bracket. c Remove the four nuts, lock plates. No.1 air cleaner cover and air cleaner cap.
Installation Of Isc Valve
Install the check valve and seal washer as shown in the illustration, to the air intake chamber. b Connect the No. 1 water by-pass hose to the ISC valve. c Install a new gasket and ISC valve with the two bolts. Torque 130 kg-cm 9 ft-lb, 13 N-m 2. CONNECT AIR HOSE AND AIR NO.2 WATER BY-PASS HOSE
Stator
Using an ohmmeter, check that there is continuity between the coil leads. If there is no continuity, replace the drive end frame assembly. Using an ohmmeter, check that there is no continuity between the coil leads and drive end frame. If there is continuity, replace the drive end frame assembly.
Compression Check
HINT If there is lack of power, excessive oil consumption or poor fuel economy, measure the compression pressure. Allow the engine to warm up to normal operating temperature. DISCONNECT SOLENOID RESISTOR CONNECTOR 3. DISCONNECT COLD START INJECTOR CONNECTOR 4. DISCONNECT DISTRIBUTOR CONNECTOR 5. REMOVE SPARK PLUGS See page IG-6 or 11 6. CHECK CYLINDER COMPRESSION PRESSURE a Insert a compression gauge into the spark plug hole. c While cranking the engine, measure the compression pressure. HINT...
Overdrive Support Brake
Remove all thrust washers from overdrive support. Using appropriate compressor, compress piston return spring and remove snap ring. Place support on direct clutch assembly. Hold brake piston in a level position. Carefully apply air pressure to piston supply port and remove piston. Remove oil seal rings from rear of support. See Fig. 39. Clean all components with solvent. Dry with compressed air. Inspect components for damage. Measure return spring free length. Free length should be .702 17.82...
Front Wheel Skid Restraining Control Making a Right Turn
In the front wheel skid restraining control, the brakes of the front wheels and the rear wheel of the inner circle of the turn are applied. Also, depending on whether the brake is ON or OFF and the condition of the vehicle, there are circumstances in which the brake might not be applied to the wheels even if those wheels are targeted for braking. The diagram below shows the hydraulic circuit in the pressure increase mode, as it controls the front wheel skid condition while the vehicle makes a...
Karman Vortex Air Flow Meter Ks
The Karman vortex air flow meter is currently used on the 7M-GTE Toyota engine and the 2JZ-GE and 1UZ-FE Lexus engines. It is located in the air induction system inlet pipe between the air cleaner and the throttle body. The sensor is composed of a photocoupler and mirror, a vortex generator, and an integrated circuit IC which together, measure the frequency of the vortices generated by air entering the intake system. When compared with the vane type air flow meter, the Karman vortex meter is...
Front Speed Sensor Components
pN-ni kgf-cm, ft ibi Specified torque 1. DISCONNECT SPEED SENSOR CONNECTOR Torque 103 N-m 1,050 kgfcm, 76 ttlbf c Disconnect the speed sensor connector and resin clip. a Remove the 2 clamp bolts holding the sensor harness from the body and shock absorber. Torque 8.0 N-m 82 kgf cm, 71 tn. lbf b Remove the speed sensor installation bolt from the steering knuckle. Torque 8.0 N m 82 kgf cm, 71 tn. lbf NOTICE At the time of installation, please refer to the following item. There are no foreign...
The HV ECU checks the generator resolver signal voltage and circuit impedance
Generator resolver inter-phase short when there is a history that the state of malfunction continued during inverter fail safe mode Open or short in generator resolver circuit when there is a history that the state of malfunction continued during inverter fail safe mode
Installation Of Radiator
1. INSTALL CONDENSER FAN MOTORS Place the radiator in installed position and install the supports with the bolts. 4. CONNECT COOLANT RESERVOIR HOSE 6. CONNECT CONDENSER FAN MOTOR CONNECTORS 7. FILL WITH COOLANT See page CO-5 8. START ENGINE AND CHECK FOR LEAKS CHECK AUTOMATIC TRANSMISSION FLUID LEVEL See page AT-18
Belt Adjustment
Serpentine belt uses an automatic belt tensioner, so no adjustment is necessary, but serpentine drive belt must be properly installed. See Fig. 1 . 1 Automatic belt tensioner is used. Adjustment is not required.
Inspection Procedure Heq
a Connect the intelligent tester to DLC3. b Turn the ignition switch on IG and push the intelligent tester main switch on. c Select the items below in the DATA LIST, and read the displays on the intelligent tester. Damper is at MAX.COOL 5 Damper is at MAX.HOT 103 The display is as specified in the normal condition. OK Checking from the PROBLEM SYMPTOMS TABLE PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE Since the servo motor cannot be inspected while it is removed from the...
NOTE Airflow meter may also be referred to as Mass Airflow MAF meter
Airflow meter measures intake airflow volume. Input signal for airflow volume is sent from airflow meter to Engine Control Module ECM . ECM may use input signal for determining ignition timing spark advance , for controlling fuel injection system and oxygen sensor heater. Airflow meter also contains an intake air temperature sensor which is used to measure intake air temperature. See INTAKE AIR TEMPERATURE SENSOR . Battery Signal Avalon, Camry, Camry Solara, Celica, ECHO, Highlander, MR2,...
Inspection Of Ignition Coil
1. DISCONNECT HIGH-TENSION CORD 2. INSPECT PRIMARY COIL RESISTANCE Using an ohmmeter. measure the resistance between the positive and negative terminals. Primary coil resistance cold 0.24 - 0.30 ft 3. INSPECT SECONDARY COIL RESISTANCE Using an ohmmeter, measure the resistance between the positive terminal and high-tension terminal. Secondary coil resistance cold 9.2 12.4 kft
Piston
The piston is made of aluminum alloy. The piston head portion uses a taper squish shape to accomplish fuel combustion efficiency. The piston skirt is coated with resin to reduce the friction loss. The groove of the top ring is coated with alumite to ensure wear resistance. By increasing the machining precision of the cylinder bore diameter, the outer diameter of the piston is made into one size.
Check air outlet damper position sensor
Remove air outlet servomotor See page AC-57 . CHECK Measure resistance between terminals 1 and 2 of air outlet servomotor assembly connector. OK While operating air outlet damper control servomotor as in the procedure on page DI-924, measure resistance between terminals 2 and 3 of air outlet damper control servomotor. OK As the air outlet servomotor moves from DEF side to FACE side, the resistance decreases gradually without interruption. Replace air outlet control servomotor assembly.
Heater
Heater circuit breaker OFF Heater relay faulty Heater blower switch faulty Heater blower resistor faulty Heater blower motor faulty Wiring or ground faulty Check relay Check switch Check resistor Replace motor Repair as necessary Replace valve Repair dampers Repair ducts Replace radiator Repair control ui Front Heater Blower Switch INSPECTION OF HEATER BLOWER SWITCH
Failsafe 1
When this DTC, as well as other DTCs relating to ETCS Electronic Throttle Control System malfunctions, is set, the ECM enters fail-safe mode. During fail-safe mode, the ECM cuts the current to the throttle actuator off, and the throttle valve is returned to a 6 throttle angle by the return spring. The ECM then adjusts the engine output by controlling the fuel injection intermittent fuel-cut and ignition timing, in accordance with the accelerator pedal opening angle, to allow the vehicle to...
Removal Of Distributor
1. DISCONNECT HIGH-TENSION CORDS FROM DISTRIBUTOR CAP 2. DISCONNECT DISTRIBUTOR CONNECTOR 3. REMOVE DISTRIBUTOR CAP AND PACKING 4. SET NO.1 CYLINDER TO TDC COMPRESSION b Look through oil filler hole and turn the crankshaft clockwise until the cam nose can be seen. c Turn the crankshaft counterclockwise approximately 120 . d Turn the crankshaft again approximately 10 to 40 clockwise so that the timing belt cover TDC mark and the crankshaft pulley TDC mark are aligned.
Malfunction Indicator Light Illumination
Once a malfunction has been established two trip detection logic where applicable the MIL will illuminate and remain illuminated even if the condition is intermittent. The MIL will remain on after subsequent restarts even if the malfunction condition is no longer present. The OBD-II system can only extinguish the MIL if the malfunction does not reoccur during three subsequent sequential trip cycles. The OBD-II system can only erase a stored DTC if the malfunction is not detected during forty...
Seal packing Part No or equivalent Heg
Install a nozzle that has been cut to a 4 - 5 mm 0.16 - 0.20 in. opening. Avoid applying an excessive amount to the surface. Parts must be assembled within 3 minutes of application. Otherwise the material must be removed and reapplied. Immediately remove nozzle from the tube and reinstall cap. c Install the No.2 oil pan with the 10 bolts and 2 nuts. Uniformly tighten the bolts and nuts in several passes. Torque 8.0 Nm 80 kgfcm, 69 in.lbf
Seal packing Part No or equivalent Nwv
Install a nozzle that has been cut to a 2 - 3 mm 0.08 - 0.12 in. opening. Avoid applying an excessive amount to the surface. Parts must be assembled within 3 minutes of application. Otherwise the material must be removed and reapplied. Immediately remove nozzle from the tube and reinstall cap. c Place a new O-ring on the cylinder block. d Engage the spline teeth of the oil pump drive gear with the large teeth of the crankshaft, and slide the oil pump on the crankshaft. e Install the oil pump...
Using the CD player
Insert a CD or press with a CD inserted. CD insert Reverse type A only
Exhaust Pipe
Catalytic Convertor amp Support Bracket No. 1 Pipe Support Bracket M TJ kg cm ft-lb, N-mtj Torque specification No. 1 Pipe Support Bracket Non-reusable part Catalytic Convenor Support Bracket Ring kg-cm ftlb, N m Torque specification
Seat Position Sensor for Driver
The seat position sensor which is attached to the seat rail of the driver seat detects the sliding position of the seat. In addition, the shielding plate is installed on this seat rail to make the seat position sensor judge the seat position. The seat position sensor uses a Hall IC for its sensor and has a magnet portion on its opposite side. The seat position sensor judges that the seat position is rearward if the sensor is located over the shielding plate, and the seat position is forward if...
Steering Sensor Replacement
2. SEPARATE BATTERY NEGATIVE TERMINAL 3. PLACE FRONT WHEELS FACING STRAIGHT AHEAD 4. REMOVE STEERING WHEEL COVER LOWER NO.2 5. REMOVE STEERING WHEEL COVER LOWER NO.2 4 SPOKE STEERING WHEEL ASSY 6. REMOVE STEERING WHEEL COVER LOWER NO.3 3 SPOKE STEERING WHEEL ASSY 7. REMOVE HORN BUTTON ASSY See page 60-25 8. REMOVE STEERING WHEEL ASSY See page 50-9 or 50-21 SST 09950-50013 09951-05010, 09952-05010, 09953-05020, 09954-05021 9. REMOVE INSTRUMENT CLUSTER FINISH PANEL See page 71-16 10. REMOVE...
Inspection Procedure Lth
CHECK HARNESS AND CONNECTOR MOMENTARY INTERRUPTION a Using the intelligent tester, check for any momentary interruption in the wire harness and connector corresponding to a DTC See page BC-103 . EFI communication open detection OPN DET or NORMAL OPN DET Momentary interruption NORMAL Normal STEERING SEN Steering sensor open detection OPN DET or NORMAL OPN DET Momentary interruption NORMAL Normal Yaw rate sensor open detection OPN DET or NORMAL OPN DET Momentary interruption NORMAL Normal There...
Stateofcharge Test
The state-of-charge test checks the battery's chemical condition. One method uses a hydrometer to measure the specific gravity of the electrolyte. Another method uses a digital voltmeter to check the battery's open circuit voltage and, for a general indication of the battery's condition, check the indicator eye if the battery has one or check the headlamp brightness during starting. Specific gravity means exact weight. The hydrometer compares the exact weight of electrolyte with that of water....
Evaporator
A revolutionary super-slim structure evaporator is used. Placing the tanks at the top and the bottom of the evaporator and adopting a micropore tube construction have realized the following effects The heat exchanging efficiency is improved. The temperature distribution is made more uniform. The evaporator is made thinner 58 mm 2.3 in. 38 mm 1.5 in. The evaporator body has been coated with a type of resin that contains an antibacterial agent in order to minimize the source of foul odor and the...
Continuity Reference
b. Apply battery positive voltage between terminals 1 and 2. c. Check continuity between terminals. Fig. 72 Inspecting Inhibit Relay OK GO TO Next Step 3. CHECK HARNESS AND CONNECTOR INHIBIT RELAY - SKID CONTROL ECU NG REPAIR OR REPLACE HARNESS OR CONNECTOR OK REPLACE SKID CONTROL ECU DTC C1337 37 DIFFERENT DIAMETER TIRE MALFUNCTION Skid control ECU measure the speed of each wheel by receiving signals from speed sensor. These signals are used for recognizing all 4 wheels are operating properly....
Inspect Skid Control Sensor
Disconnect the skid control sensor connector. Measure resistance between terminals 1 and 2 of the skid control sensor connector. OK Measure resistance between each of terminals 1 and 2 of skid control sensor connector and body ground. OK Check the speed sensor signal last See page 05-297 .
Inspect Turn Signal Flasher Assembly
a Disconnect the connector from the turn signal flasher. b Measure the voltage according to the value s in the table below.
Reducing Wind Noise
Wind noise has been reduce through the adoption of the following constructions The offset between various areas of the body and the glass surface has been reduced. A hood-to-fender seal has been provided along the parting line between the hood panel and the fender panel. A weatherstrip has been provided along the parting line between the front door and the rear door. Airflow routing plates have been provided to both sides of the cowl louver, in order to properly route the airflow. A fender seal...
Shift Lock Override Button
In order to move the shift lever out of Park, the ignition switch must be in the Accessory or ON position and the brake pedal must be depressed. When the brake pedal is depressed, the ECU turns on the solenoid, moving the plate stopper and allowing the shift lock plate to move down with the grooved pin. If the shift lock solenoid becomes inoperative, the shift lever cannot be moved and the vehicle cannot be moved. The shift lock override button can be used to release the plate stopper from the...
NOTE Apply lithium soap base glycol grease to the rubber parts indicated by the
arrows See BRAKE MASTER CYLINDER . Installation is in the reverse order of removal See REMOVAL . HINT After installation, fill the brake reservoir with brake fluid and bleed brake system See BRAKE FLUID . NOTE In case of replacing the master cylinder assembly or master cylinder pressure sensor, perform the zero point calibration of the steering angle, master cylinder pressure, yawrate and deceleration sensors See CALIBRATION .
Removal Of Differential 1
2. REMOVE SPEED SENSOR AND SENSOR ROTOR See page AT-49 4. REMOVE TRANSAXLE HOUSING See page AT-59
Check Center Airbag Sensor Assembly Npc
a. Connect the connectors to the center airbag sensor assembly. b. Connect the negative - terminal cable to the battery, and wait for at least 2 seconds. c. Turn the ignition switch to the ON position, and wait for at least 60 seconds. d. Clear the DTCs stored in memory See DTC CHECK CLEAR . e. Turn the ignition switch to the LOCK position. f. Turn the ignition switch to the ON position, and wait for at least 60 seconds. g. Check the DTCs See DTC CHECK CLEAR .
Ok Replace Center Airbag Sensor Assembly Dtc B Passenger Side Buckle Switch
The passenger side buckle switch circuit consists of the occupant classification ECU and the front seat inner belt RH. DTC B1771 is recorded when a malfunction is detected in the passenger side buckle switch circuit. Troubleshoot DTC B1771 first when the DTC B1771 and B1795 are output simultaneously. The occupant classification ECU receives a line short circuit signal, an open circuit signal, a short circuit to ground signal or a short circuit to B signal in the passenger side buckle switch...
Removal Of Coil Spring And Shock Absorber
1. JACK UP VEHICLE AND REMOVE WHEEL 3. REMOVE QUARTER TRIM w TEMS 4. DISCONNECT SHOCK ABSORBER FROM AXLE CARRIER a Remove the shock absorber cap. c Remove the three shock absorber mounting nuts from the body and remove the shock absorber assembly. a Mount the shock absorber in a vise. b Using SST. compress the coil spring. SST 09727-30020 c Remove the suspension support nut. d Remove the suspension support, coil spring and bumper.
Function of Solenoid Valves SL SL SL and SLT
Clutch and brake engagement pressure control Lock-up clutch pressure control
Measure Torque Converter Clutch Sleeve Runout
Temporarily mount the torque converter clutch on the drive plate. Set a dial indicator and measure the torque converter clutch sleeve runout. Maximum runout 0.30 mm 0.0118 in. If the runout is not within the specification, try to correct by reorienting the installation of the converter. HINT Mark the position of the converter clutch to ensure the installation is correctly performed.
Basic Repair Hint
a Use fender, seat and floor covers to keep the vehicle clean and prevent damage. b During disassembly, keep parts in the appropriate order to facilitate reassembly. c Installation and removal of battery terminal 1 Before performing electrical work, disconnect the negative - terminal cable from the battery. 2 If it is necessary to disconnect the battery for inspection or repair, first disconnect the negative - terminal cable. 3 When disconnecting the terminal cable, to prevent damage to...
onvehicle inspection Bcu
1. INSPECT COMPRESSOR FOR METALLIC SOUND Check there is abnormal metallic sound from the compressor when the A C switch is ON. If abnormal metallic sound is heard, replace the compressor assembly. 2. INSPECT REFRIGERANT PRESSURE See page AC-3 3. INSPECT VISUALLY FOR LEAKAGE OF REFRIGERANT Using a gas leak detector, check for leakage of refrigerant. If there is any leakage, replace the compressor assembly. 4. INSPECT COMPRESSOR LOCK SENSOR RESISTANCE a Disconnect the connector, b Measure...
Remove Lower Center Pillar Garnish 1
Remove the front seat outer belt floor anchor. Torque 43 Nm 440 kgfcm, 32 ftlbf Remove the lower center pillar garnish. Disconnect the connector. Employ the same manner described above to the other side. 16. REMOVE UPPER CENTER PILLAR GARNISH a Remove the front seat outer belt shoulder anchor. Torque 43 Nm 440 kgfcm, 32 ftlbf b Remove the clip and upper center pillar garnish as shown in the illustration. c Employ the same manner described above to the other side. 19. REMOVE SUN VISORS AND...
Driveshaft oil seals
2 The driveshaft oil seals are located on the sides of the transmission, where the inner ends of the driveshafts are splined into the differential side gears. If you suspect that a driveshaft oil seal is leaking, raise the vehicle and support it securely on axle stands see Jacking and vehicle support . If the seal is leaking, you'll see lubricant on the side of the transmission, below the seal. 3 Remove the driveshaft see Chapter 8 . 4 Using a screwdriver or pry bar, carefully lever the oil...