2001 lexus rx300 keyless entry wont lock or unlock
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Filed Under (Chevrolet) by admin on 10-04-2011
Power Door Locks Inoperative Diagnostic Instructions • Perform the Diagnostic System Check – Vehicle prior to using this diagnostic procedure. • Review Strategy Based Diagnosis for an overview of the diagnostic approach. • Diagnostic Procedure Instructions provides an overview of each diagnostic category. Diagnostic Fault Information Circuit Switch Side Supply Voltage Relay Door Lock/Unlock Signal Door Latch Control Driver Door Lock Switch Ground Passenger Front Door Lock Switch Ground BCM Ground 1. Door Lock Malfunction 2. Door Lock Switch Malfunction Circuit/System Description The DR LCK fuse supplies battery positive voltage to the body control module BCM for the door lock system. The BCM supplies and monitors a reference voltage to the door lock switch through the door lock switch lock/unlock signal circuit. The door lock switch also receives a constant ground source. If a door lock switch is placed in the lock position, the reference voltage is taken directly to ground and the BCM senses 0.0 volts on the signal circuit. If a door lock switch is placed in the unlock position, the reference voltage is taken to ground through a 1.5k ohm resistor that is internal to the door lock switches and senses approximately 2.9 volts on the signal circuit. This is how the BCM determines what portion of the door lock switch was activated. The BCM, upon receipt of a door lock switch lock or unlock signal, will switch the appropriate door lock actuator control circuits to battery positive voltage. The opposing side of the door lock actuators are connected to ground internally within the BCM through the other door lock actuator control circuit and the doors will lock or unlock appropriately. Vehicles without keyless entry have two internal drivers in the BCM to control the door lock actuators. All door lock and all door unlock. Vehicles equipped with keyless entry have three internal drivers in the BCM. Driver door unlock, passenger door unlock and all door lock. This is done to isolate the driver door lock actuator so it can be unlocked by itself using the keyless entry transmitter.
Filed Under (Chevrolet) by admin on 25-01-2011
On some 2003 model year Cadillac Escalade, Escalade EXT, and Escalade ESV; Chevrolet Silverado, Avalanche, Tahoe, and Suburban; GMC Sierra, Yukon, and Yukon XL; and HUMMER H2 vehicles, the passenger door module (PDM) may become inoperative. An inoperative PDM would cause loss of function for the remote keyless entry, front passenger power window, lock, mirror and heated seat functions. Correction Dealers are to reprogram the PDM. Service Procedure Important: The labor time for performing the refresh/reprogram of the passenger door module in this recall is different than the amount of time allowed in Service Bulletin 03-08-52-001B. The labor operation code and time allowance in the service bulletin was for a BCM reprogram, and was not the correct labor operation code for this repair. Inspection Procedure Important: The following inspection must be performed in order to determine the correct repair procedure. 1. Turn the ignition to the ON position. 2. Using the switches in the right front passenger door, verify that the power window and power door lock located in that door, function properly. • If the power window and door locks do NOT function, proceed to the “Refresh and Reprogram” procedure and follow ALL of the steps. • If the power window and door lock function properly, the vehicle only needs to be updated with the new calibration for the passenger door module. Proceed to and follow only steps 4-6 in the “Refresh and Reprogram” procedure. DO NOT PERFORM STEPS 1-3. Refresh and Reprogram Procedure
Filed Under (Plymouth) by admin on 22-09-2010
Using a functional key fob transmitter, unlock the vehicle and disarm the Vehicle Theft Security System. Insert ignition key into the ignition switch. Turn the ignition switch to RUN position with- out starting engine. Using a functional key fob transmitter, press and hold the UNLOCK button for a minimum 4 seconds (maximum 10 seconds). While holding UNLOCK button, and before 10 seconds passes, press and release the PANIC button. A single chime will sound to verify that the Remote Keyless Entry (RKE) module is set to receive the new Vehicle Access Code(s). 6. Within 30 seconds of the chime, press any button on each new key fob transmitter. After 30 seconds or when ignition switch is turned OFF, the RKE module will end the programming mode. A single chime will sound to verify that the RKE module will no longer receive additional Vehicle Access Code(s). 7. When Vehicle Access Code(s) programming is complete, turn Ignition Switch to the OFF position and verify RKE system operation using each key fob. 1. 2. 3. 4. 5. NOTE: Only the primary (first two) key fob transmitters will operate the memory seat and mirror systems. If a primary key fob is being replaced, the memory seat and mirror module will require programming. Refer to Power Seats for proper (data link) programming procedure.
Filed Under (Infiniti) by admin on 07-08-2010
In this mode, when BCM detects the input signal from a switch in IVMS as shown here, the detection is indicated by the map lamp and step lamps with buzzer. The status of the switch (except the ignition switch, interior ill lamp switch, and map lamp switch) as input to each control unit can be monitored. Cancel of Switch Monitor. If one of the following conditions is satisfied, the switch monitor is cancelled. Turn ignition switch OFF. Drive the vehicle more than 7 km/h (4 MPH) . RESPONSE” may be displayed instead of the above results. This is caused by the data record, so erase the records. (The display only shows the incident records, they are not malfunctions caused during the diagnosis. One possible cause is that an reproducible incident occurred.) Follow the steps below to erase the memory Perform either disconnect BCM battery power supply or erase memory with CONSULT-II. With the battery connected, if the local control unit (LCU) connector is disconnected and left for approximately 1 minute , the BCM stores “NO RESPONSE” record.
Filed Under (Isuzu) by admin on 30-04-2011
TSB SB05-05-5004 Shift Lock Solenoid ISSUE DATE: MAY 2005 Affected Vehicles 2002-2004 Isuzu Axiom (UP) 1998-2004 Isuzu Rodeo (UE) and Rodeo Sport (UA) Service Information Use the following steps to remove and replace the Shift Lock Solenoid. Service Procedure 1. Access the Shift Lock Solenoid by removing the Center, Front, Rear Console Assemblies, Selector Lever Knob, and Cover Assembly. Refer to the Selector Lever section in the Service Manual. 2. Set parking brake, move Selector Lever to lowest gear, and remove the Shift Lock Cable. 3. Remove the two screws securing the Shift Lock Solenoid to the Selector Lever subassembly. Disconnect the Shift Lock Solenoid 2-pin connector. 4. Disconnect the 1-40 (Rodeo) or 1-3 (Axiom) six-pin connector and slide the female connector off bracket. Remove the Terminal Position Assurance (TPA) Lock from the connector. Locate the two blue wires in position 1 and 3 on the female connector. With appropriate tool (shown above), apply light pressure upward on the connector locking tab while gently pulling on the blue wire to release. Note :Never use force to remove a terminal from a connector. 5. Insert the two blues wires from the replacement Shift Lock Solenoid into the 1- 40 (Rodeo) or 1-3 (Axiom) female connector. It does not matter which blue wire is inserted into the 1 and 3 position. Gently tug the blue wires to make sure they are secure. NOTE iscard the extra 2-pin connector sub harness included with replacement Shift Lock Solenoid P/N 8-97181-068-2. 6. Reconnect the Shift Lock Solenoid 2-pin connector and reattach the two screws securing the Shift Lock Solenoid to the selector lever subassembly. 7. Reconnect the 1-40 (Rodeo) or 1-3 (Axiom) six-pin connector and slide the female connector onto the bracket. 8. Reinstall the Selector Lever Knob, Cover Assembly, Center, Front, and Rear Console Assemblies. Refer to the Selector Lever section in the Service Manual. 9. Check Shift Lock operation: a. With ignition key in “Lock” position, Selector lever should not move from “P” position. b. With ignition key in “ON” position and brake pedal depressed. Selector lever can be moved out of “P” position. c. Key can be removed only when turned to “LOCK” position and selector lever is in “P” position.