Power Mirror Control (Diagnostics): Diagnosis Lexus RX III

HOW TO PROCEED WITH TROUBLESHOOTING

HINT

1. Use the following procedure to troubleshoot the power mirror control system.
2. *: Use the Techstream.

1. VEHICLE BROUGHT TO WORKSHOP NEXT: Go to next step
2. CUSTOMER PROBLEM ANALYSIS HINT: In troubleshooting, confirm that the problem symptoms have been accurately identified. Preconceptions should be discarded in order to make an accurate judgment. To clearly understand what the problem symptoms are, it is extremely important to ask the customer about the problem and the conditions at the time the malfunction occurred. Gather as much information as possible for reference. Past problems that seem unrelated may also help in some cases. The following 5 items are important points in the problem analysis: What Vehicle model, system name When Date, time, occurrence frequency Where Road conditions Under what conditions? Running conditions, driving conditions, weather conditions How did it happen? Problem symptoms NEXT: Go to next step
3. INSPECT BATTERY VOLTAGE Standard Voltage 11 to 14 V If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step. NEXT: Go to next step
4. CHECK COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM* Use the Techstream to check if the LIN communication system is functioning normally. Result Result Proceed to LIN DTC is not output A LIN DTC is output B B --> Go to LIN COMMUNICATION SYSTEM. Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-400663-S25596778512011051800000) A: Go to next step
5. CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM* Use the Techstream to check if the CAN communication system is functioning normally. Result Result Proceed to CAN DTC is not output A CAN DTC is output B B --> Go to CAN COMMUNICATION SYSTEM. Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-400834-S03841674552011051800000) A: Go to next step
6. PROBLEM SYMPTOMS TABLE Refer to Problem Symptoms Table. Refer to «PROBLEM SYMPTOMS TABLE»(ref-400875-S00850195932011051800000) . Result Result Proceed to Fault is not listed in Problem Symptoms Table A Fault is listed in Problem Symptoms Table B B --> Go to 8 step 8 A: Go to next step
7. OVERALL ANALYSIS AND TROUBLESHOOTING* Operation Check. Refer to «OPERATION CHECK»(ref-400875-S29344354232011051800000) Data List / Active Test. Refer to «DATA LIST / ACTIVE TEST»(ref-400875-S36345734592011051800000) Terminals of ECU. Refer to «TERMINALS OF ECU»(ref-400875-S08109385602011051800000) NEXT: Go to next step
8. REPAIR OR REPLACE NEXT: Go to next step
9. CONFIRMATION TEST NEXT --> END

HINT

1. Use the following procedure to troubleshoot the power mirror control system.
2. *: Use the Techstream.

1. VEHICLE BROUGHT TO WORKSHOP NEXT: Go to next step
2. CUSTOMER PROBLEM ANALYSIS HINT: In troubleshooting, confirm that the problem symptoms have been accurately identified. Preconceptions should be discarded in order to make an accurate judgment. To clearly understand what the problem symptoms are, it is extremely important to ask the customer about the problem and the conditions at the time the malfunction occurred. Gather as much information as possible for reference. Past problems that seem unrelated may also help in some cases. The following 5 items are important points in the problem analysis: What Vehicle model, system name When Date, time, occurrence frequency Where Road conditions Under what conditions? Running conditions, driving conditions, weather conditions How did it happen? Problem symptoms NEXT: Go to next step
3. INSPECT BATTERY VOLTAGE Standard Voltage 11 to 14 V If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step. NEXT: Go to next step
4. CHECK COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM* Use the Techstream to check if the LIN communication system is functioning normally. Result Result Proceed to LIN DTC is not output A LIN DTC is output B B --> Go to LIN COMMUNICATION SYSTEM. Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-400663-S04734094882011051800000) A: Go to next step
5. CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM* Use the Techstream to check if the CAN communication system is functioning normally. Result Result Proceed to CAN DTC is not output A CAN DTC is output B B --> Go to CAN COMMUNICATION SYSTEM. Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-400834-S25744716402011051800000) A: Go to next step
6. PROBLEM SYMPTOMS TABLE Refer to Problem Symptoms Table. Refer to «PROBLEM SYMPTOMS TABLE»(ref-400875-S11214445072011051800000) . Result Result Proceed to Fault is not listed in Problem Symptoms Table A Fault is listed in Problem Symptoms Table B B --> Go to 8 step 8 A: Go to next step
7. OVERALL ANALYSIS AND TROUBLESHOOTING* Operation Check. Refer to «OPERATION CHECK»(ref-400875-S29344354232011051800000) Data List / Active Test. Refer to «DATA LIST / ACTIVE TEST»(ref-400875-S36345734592011051800000) Terminals of ECU. Refer to «TERMINALS OF ECU»(ref-400875-S08109385602011051800000) NEXT: Go to next step
8. REPAIR OR REPLACE NEXT: Go to next step
9. CONFIRMATION TEST NEXT --> END

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1. CHECK REMOTE CONTROL MIRROR FUNCTION Turn the engine switch on (IG). With the mirror select switch set to L, check that the mirror surface moves up, down, left and right normally. With the mirror select switch set to R, check that the mirror surface moves up, down, left and right normally.
2. CHECK POWER RETRACT MIRROR FUNCTION Turn the engine switch on (IG). While both mirrors are in the driving position, press the mirror retract switch. Check that both mirrors move to the retracted position. After both mirrors are retracted, press the mirror retract switch. Check that both mirrors move to the driving position.
3. CHECK MEMORY CALL FUNCTION HINT: The SET, M1, M2 and M3 seat memory switches are shown in the illustration. Turn the engine switch on (IG) and move the shift lever to P. TEXT IN ILLUSTRATION *1 SET switch *2 M1 Switch *3 M2 Switch *4 M3 Switch Check the M1 switch. Using the mirror adjust switch assembly, turn the mirror surface to the full left position. TEXT IN ILLUSTRATION *1 Turn to Left Fully Check that the buzzer sounds for 0.5 seconds and the seat position is memorized when the M1 switch is pressed within 3 seconds after the SET switch is being pressed. NOTE: The mirror surface position will also be stored when the M1 switch is pressed after first pressing and holding the SET switch. The mirror surface position will not be stored when the SET switch and M1 switch are pressed simultaneously. The mirror surface position will not be stored when 2 ore more of the memory switches are pressed simultaneously (for example, M1 and M2) after first pressing the SET switch. Using the outer mirror switch assembly, turn the mirror surface to the full right position. Press the M1 switch. Check that the buzzer sounds for 0.1 seconds and the outer mirror automatically moves to the recorded full left position. Check the M2 switch. Using the mirror adjust switch assembly, turn the mirror surface to the full right position. TEXT IN ILLUSTRATION *1 Turn to Right Fully Check that the buzzer sounds for 0.5 seconds and the seat position is memorized when the M2 switch is pressed within 3 seconds after the SET switch is being pressed. NOTE: The mirror surface position will also be stored when the M2 switch is pressed after first pressing and holding the SET switch. The mirror surface position will not be stored when the SET switch and M2 switch are pressed simultaneously. The mirror surface position will not be stored when 2 ore more of the memory switches are pressed simultaneously (for example, M1 and M2) after first pressing the SET switch. Using the outer mirror switch assembly, turn the mirror surface to the full left position. Press the M2 switch. Check that the buzzer sounds for 0.1 seconds and the outer mirror automatically moves to the recorded full right position. Check the M3 switch. Using the outer mirror switch assembly, turn the mirror surface to the full upward position. TEXT IN ILLUSTRATION *1 Turn Upward Fully Check that the buzzer sounds for 0.5 seconds and the seat position is memorized when the M3 switch is pressed within 3 seconds after the SET switch is being pressed. NOTE: The mirror surface position will also be stored when the M3 switch is pressed after first pressing and holding the SET switch. The mirror surface position will not be stored when the SET switch and M3 switch are pressed simultaneously. The mirror surface position will not be stored when 2 ore more of the memory switches are pressed simultaneously (for example, M1 and M2) after first pressing the SET switch. Using the outer mirror switch assembly, turn the mirror surface to the full downward position. Press the M3 switch. Check that the buzzer sounds for 0.1 seconds and the outer mirror automatically moves to the recorded full upward position.
4. CHECK POWER RETRACTABLE MIRROR FUNCTION Turn the engine switch on (IG). At each outer rear view mirror position, check the retractable mirror operation when operating the outer mirror retract switch. Move the mirrors to the driving position. Turn the outer mirror retract switch to the retract position. Check that the right and left outer rear view mirrors move from the driving position to the retracted position. Move the mirrors to the driving position. Move one of the outer rear view mirrors to the forward position by hand. Turn the outer mirror retract switch to the retract position. Check that the outer rear view mirror in the forward position moves to the retracted position, and check that the other mirror moves to the retracted position. Move the outer rear view mirrors to driving position. Move one of the outer rear view mirrors to the retracted position by hand. Turn the outer mirror retract switch to the retract position. Check that the outer rear view mirror in the driving position moves to the retracted position. Move the mirrors to the retracted position. Turn the outer mirror retract switch to the driving position. Check that the right and left mirrors move from the retracted position to the driving position. Move the mirrors to the retracted position. Move one of the outer rear view mirrors to the driving position by hand. Turn the outer mirror retract switch to the driving position. Check that the retracted outer rear view mirror moves to the driving position. Check the operation of the outer rear view mirror according to retract switch operations and engine switch condition. When the outer rear view mirror is operating, turn the engine switch off and check that the mirror operation stops immediately. This time, turn the engine switch on (ACC) and press the retract switch. Check that the outer rear view mirror operates in the opposite direction. Check the operation of the outer rear view mirror when it is blocked by an obstacle. When the outer rear view mirror is moving to the retracted or driving position, block the outer rear view mirror by hand. Check that the mirror stops moving. With the outer rear view mirror stopped partway, push the retract switch. Check that the outer rear view mirror moves in the opposite direction.
5. CHECK AUTO ELECTRIC RETRACT FUNCTION With the engine switch off and the mirror AUTO retract switch on, when the doors are unlocked through the entry, wireless or key-linked function, check that the outer rear view mirrors move from the retracted position to the driving position, and stop in the driving position. With the engine switch off, and the mirror AUTO retract switch on, when the doors are locked through the entry, wireless or key-linked function, check that the outer rear view mirrors move from the driving position to the retracted position, and stop in the retracted position. When the engine switch is on (ACC) and then turned off while the mirror AUTO retract switch is on, check that both outer rear view mirrors automatically move from the driving position to the retracted position. When the engine switch is off and then turned on (ACC) while the mirror AUTO retract switch is on, check that both outer rear view mirrors automatically move from the retracted position to the driving position.
6. CHECK REVERSE SHIFT-LINKED OPERATION OF MIRRORS Turn the engine switch on (IG). Set the mirror select switch to L or R. TEXT IN ILLUSTRATION *1 Mirror Select Switch *2 Downward Check that the mirror surface turns downward when the shift lever is moved to R. Check that the mirror surface position returns to the original position when one of the following conditions is met: Shift lever is moved to any position other than R. Mirror select switch is in the neutral position (off). Engine switch is turned off.
7. CHECK MEMORY CALL FUNCTION Automatic memory call function check With a transmitter key recognition code registered: Perform a wireless door unlock operation and check that opening the driver side door causes the following: The buzzer sounds for 0.1 seconds. The front seat, the steering wheel (tilt & telescopic) and outer mirror surface position automatically move to a stored positions. HINT: The registered transmitter key recognition code is recalled automatically. If the automatic memory call function is not operated, the buzzer will not sound. With the engine switch off and the driver side door closed, press and hold the M1, M2 or M3 switch while carrying the transmitter key. The main body ECU (multiplex network body ECU) will enter transmitter key recognition code registration mode to allow a key to be linked to mirror surface memory position. HINT: If the memory switch is released before entering registration mode, the memory switch will not enter registration mode. When the manual door lock switch is pressed, check that the buzzer of the position control ECU and switch assembly sounds once (0.5 seconds). With the engine switch off and the driver side door closed, press and hold the SET switch while carrying the transmitter key. The main body ECU (multiplex network body ECU) will enter transmitter key recognition code deletion mode. HINT: If the memory switch is released before entering deletion mode, the memory switch will entering deletion mode, the memory switch will not enter deletion mode. When the manual door lock switch is pressed, check that the buzzer of the position control ECU and switch assembly sounds twice (0.1 seconds each time).
8. EMERGENCY STOP FUNCTION While a memory call function is operating, check that any one of the following actions will stop the memory call operation: 1) pressing the SET, M1, M2 or M3 switch, 2) moving the shift lever to R, 3) moving the mirror surface manually, or 4) moving the mirror surface to the uppermost, lowermost, leftmost or rightmost position.

PROBLEM SYMPTOMS TABLE

HINT

Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.

POWER MIRROR CONTROL SYSTEM

HINT

Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.

POWER MIRROR CONTROL SYSTEM

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1. CHECK OUTER MIRROR CONTROL ECU ASSEMBLY (DRIVER SIDE) Disconnect the z4 and J3 connectors. Measure the voltage according to the value(s) in the table below. HINT: Measure the values on the wire harness side with the connector disconnected. STANDARD VOLTAGE Tester Connection Wiring Color Terminal Description Condition Specified Condition J3-14 (BDR) - Body ground Y - Body ground +B power supply Always 11 to 14 V J3-6 (CPUB) - Body ground L - Body ground +B power supply Always 11 to 14 V J3-5 (SIG) - Body ground Y - Body ground Ignition power supply Engine switch off --> on (IG) 0 V --> 11 to 14 V If the result is not as specified, there may be a malfunction on the wire harness side. Measure the resistance according to the value(s) in the table below. HINT: Measure the values on the wire harness side with the connector disconnected. STANDARD RESISTANCE Tester Connection Wiring Color Terminal Description Condition Specified Condition J3-7 (GND) - Body ground W-B - Body ground Ground Always Below 1 ohms If the result is not as specified, there may be a malfunction on the wire harness side. Reconnect the z4 and J3 connectors. Measure the voltage according to the value(s) in the table below. STANDARD VOLTAGE Tester Connection Wiring Color Terminal Description Condition Specified Condition z4-1 (LMVR) - z4-9 (LMHR) V - SR Vertical mirror motor drive voltage LH mirror surface moving upward --> stopped 11 to 14 V --> 0 V z4-10 (LM+R) - z4-1 (LMVR) R - V Vertical mirror motor drive voltage LH mirror surface moving downward --> stopped 11 to 14 V --> 0 V z4-10 (LM+R) - z4-9 (LMHR) R - SR Horizontal mirror motor drive voltage LH mirror surface moving right --> stopped 11 to 14 V --> 0 V z4-9 (LMHR) - z4-1 (LMVR) BR - B Horizontal mirror motor drive voltage LH mirror surface moving left --> stopped 11 to 14 V --> 0 V z4-3 (MR+) - Body ground L - Body ground Power retract mirror motor drive voltage Outer rear view mirror LH being retracted --> stopped 11 to 14 V --> 0 V z4-11 (MR-) - Body ground G - Body ground Power retract mirror motor drive voltage Outer rear view mirror LH returning --> stopped 11 to 14 V --> 0 V z4-4 (HTR+) - z4-12 (HTR-) B - B-Y Mirror heater relay drive voltage rear defogger switch on 11 to 14 V z4-5 (LVC) - z4-14 (LE1) R-W - GR Mirror position sensor power supply Engine switch on (IG) 4.55 to 5.45 V z4- 6 (VSSR) - z4-14 (LE1) Y-B - GR Mirror position sensor signal Engine switch on (IG) 0.96 to 4.04 V z4- 6 (VSSR) - z4-14 (LE1) Y-B - GR Mirror position sensor signal Engine switch on (IG) 0.96 to 4.04 V
2. CHECK OUTER MIRROR CONTROL ECU ASSEMBLY (PASSENGER SIDE) Disconnect the z3 and I4 connectors. Measure the voltage and resistance according to the value(s) in the table below. HINT: Measure the values on the wire harness side with the connector disconnected. STANDARD VOLTAGE Tester Connection Wiring Color Terminal Description Condition Specified Condition I4-6 (CPUB) - Body ground P - Body ground +B power supply Always 11 to 14 V I4-14 (BDR) - Body ground G - Body ground +B power supply Always 11 to 14 V I4-5 (SIG) - Body ground GR - Body ground Ignition power supply Engine switch off --> on (IG) 0 V --> 11 to 14 V If the result is not as specified, there may be a malfunction on the wire harness side. Measure the resistance according to the value(s) in the table below. HINT: Measure the values on the wire harness side with the connector disconnected. STANDARD RESISTANCE Tester Connection Wiring Color Terminal Description Condition Specified Condition I4-7 (GND) - Body ground W-B - Body ground Ground Always Below 1 ohms If the result is not as specified, there may be a malfunction on the wire harness side. Reconnect the z3 and I4 connectors. Measure the voltage according to the value(s) in the table below. STANDARD VOLTAGE Tester Connection Wiring Color Terminal Description Condition Specified Condition z3-1 (RMVR) - z3-9 (RMHR) V - BR Vertical mirror motor drive voltage RH mirror surface moving upward --> stopped 11 to 14 V --> 0 V z3-10 (RM+R) - z3-1 (RMVR) R - V Vertical mirror motor drive voltage RH mirror surface moving downward --> stopped 11 to 14 V --> 0 V z3-10 (RM+R) - z3-9 (RMHR) R - BR Horizontal mirror motor drive voltage RH mirror surface moving right --> stopped 11 to 14 V --> 0 V z3-9 (RMHR) - z3-1 (RMVR) BR - V Horizontal mirror motor drive voltage RH mirror surface moving left --> stopped 11 to 14 V --> 0 V z3-3 (MR+) - Body ground L - Body ground Power retract mirror motor drive voltage Outer rear view mirror RH being retracted --> stopped 11 to 14 V --> 0 V z3-11 (MR-) - Body ground G - Body ground Power retract mirror motor drive voltage Outer rear view mirror RH returning --> stopped 11 to 14 V --> 0 V z3-4 (HTR+) - z3-12 (HTR-) B - B-Y Mirror heater relay drive voltage rear defogger switch on 11 to 14 V z3-5 (RVC) - z3-14 (RE1) R-W - GR Mirror position sensor power supply Engine switch on (IG) 4.55 to 5.45 V z3- 6 (VSSR) - z3-14 (RE1) Y-B - GR Mirror position sensor signal Engine switch on (IG) 0.96 to 4.04 V z3- 6 (VSSR) - z3-14 (RE1) Y-B - GR Mirror position sensor signal Engine switch on (IG) 0.96 to 4.04 V

DIAGNOSIS SYSTEM

1. DESCRIPTION Data of the system can be read from the Data Link Connector 3 (DLC3) of the vehicle. Therefore, when the system seems to be malfunctioning, use Techstream to check for a malfunction and repair it.
2. CHECK DLC3 Check the DLC3. Refer to «GENERAL INFORMATION»(ref-400649-S41373024542011051800000) .

DATA LIST / ACTIVE TEST

1. USING TECHSTREAM Connect the Techstream to the DLC3. Monitor the ECU data by following the prompts on the Techstream screen. HINT: The Techstream has a "Snapshot" function which records the monitored data. Refer to the Techstream operator's manual for further details.
2. DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may be discovered before parts or wiring is disturbed. Reading the Data List information early in troubleshooting is one way to save diagnostic time. Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Enter the following menus: Body Electrical / Mirror L or Mirror R / Data List. Read the Data List according to the display on the Techstream. MIRROR L / MIRROR R Tester Display Measurement Item/Range Normal Condition Diagnostic Note Seat Memory Switch1 Seat memory switch M1 signal/ON or OFF ON: Seat memory switch M1 on OFF: Seat memory switch M1 off - Seat Memory Switch2 Seat memory switch M2 signal/ON or OFF ON: Seat memory switch M2 on OFF: Seat memory switch M2 off - Seat Memory Switch3 Seat memory switch M3 signal/ON or OFF ON: Seat memory switch M3 on OFF: Seat memory switch M3 off - Seat Memory Set SW Seat memory switch SET signal/ON or OFF ON: Seat memory switch SET on OFF: Seat memory switch SET off - Mirror Memory No. 1 Mirror position memorized in memory switch M1/OFF or ON ON: Memorized OFF: Not memorized - Mirror Memory No. 2 Mirror position memorized in memory switch M2/OFF or ON ON: Memorized OFF: Not memorized - Mirror Memory No. 3 Mirror position memorized in memory switch M3/OFF or ON ON: Memorized OFF: Not memorized - Mirror Vertical Sensor Vol Vertical mirror position/MIN: 0, MAX 4.98 V Within range from 0 to 4.98 V - Mirror Horizontal Sensor Vol Horizontal mirror position/MIN: 0, MAX 4.98 V Within range from 0 to 4.98 V - +B Voltage Input Value Power supply for Outer mirror control ECU assembly/MIN: 0V, MAX. 19.98 V Within range from 11 to 14 V - # Codes Number of DTC recorded/MIN. :0, MAX. :255 Number of DTCs displayed - Enter the following menus: Body Electrical / Master Switch / Data List. Read the Data List according to the display on the Techstream. MASTER SWITCH Tester Display Measurement Item/Range Normal Condition Diagnostic Note Door Lock Switch Status Door lock switch Status/ON or OFF ON: Door lock switch on OFF: Door lock switch status off - Door unlock Switch Status Door unlock switch status/ON or OFF ON: Door unlock switch on OFF: Door unlock switch off - Mirror Selection SW (L) Mirror select switch signal for LH mirror / ON or OFF ON: Switch in L position OFF: Switch off or in R position - Mirror Selection SW (R) Mirror selection switch signal for RH mirror / ON or OFF ON: Switch in R position OFF: Switch off or in L position - Mirror Position SW (L) Mirror position switch signal (Left) / ON or OFF ON: Switch L on OFF: Any switch except L is on or all switches OFF Check with the mirror select switch in the L or R position Mirror Position SW (R) Mirror position switch signal (Right) / ON or OFF ON: Switch R on OFF: Any switch except R is on or all switches off Check with the mirror select switch in the L or R position Mirror Position SW (Up) Mirror position switch signal (Up) / ON or OFF ON: Switch UP on OFF: Any switch except UP is on or all switches off Check with the mirror select switch in the L or R position Mirror Position SW (Dwn) Mirror position switch signal (Down) / ON or OFF ON: Switch DOWN on OFF: Any switch except DOWN is on or all switches off Check with the mirror select switch in the L or R position Outer Mirror Fold SW Mirror retract switch signal / ON or OFF ON: Retract switch in retract position OFF: Retract switch in driving position - Auto Mirror SW Mirror auto retract switch signal / ON or OFF ON: Mirror auto retract switch condition OFF: Mirror auto retract switch off condition - Enter the following menus: Body Electrical / Main Body / Data List. Read the Data List according to the display on the Techstream. MAIN BODY Tester Display Measurement Item/Range Normal Condition Diagnostic Note Mem SW No. w/KeyID1 Switch linked with key ID1 / NONE, MEM SW1, MEM SW2, or MEM SW3 NONE: No switches linked with key ID1 MEM SW1: M1 linked with key ID1 MEM SW2: M2 linked with key ID1 MEM SW3: M3 linked with key ID1 - Mem SW No. w/KeyID2 Switch linked with key ID2 / NONE, MEM SW1, MEM SW2, or MEM SW3 NONE: No switches linked with key ID2 MEM SW1: M1 linked with key ID2 MEM SW2: M2 linked with key ID2 MEM SW3: M3 linked with key ID2 - Mem SW No. w/KeyID3 Switch linked with key ID3 / NONE, MEM SW1, MEM SW2, or MEM SW3 NONE: No switches linked with key ID3 MEM SW1: M1 linked with key ID3 MEM SW2: M2 linked with key ID3 MEM SW3: M3 linked with key ID3 - Mem SW No. w/KeyID4 Switch linked with key ID4 / NONE, MEM SW1, MEM SW2, or MEM SW3 NONE: No switches linked with key ID4 MEM SW1: M1 linked with key ID4 MEM SW2: M2 linked with key ID4 MEM SW3: M3 linked with key ID4 - Mem SW No. w/KeyID5 Switch linked with key ID5 / NONE, MEM SW1, MEM SW2, or MEM SW3 NONE: No switches linked with key ID5 MEM SW1: M1 linked with key ID5 MEM SW2: M2 linked with key ID5 MEM SW3: M3 linked with key ID5 - Mem SW No. w/KeyID6 Switch linked with key ID6 / NONE, MEM SW1, MEM SW2, or MEM SW3 NONE: No switches linked with key ID6 MEM SW1: M1 linked with key ID6 MEM SW2: M2 linked with key ID6 MEM SW3: M3 linked with key ID6 - Mem SW No. w/KeyID7 Switch linked with key ID7 / NONE, MEM SW1, MEM SW2, or MEM SW3 NONE: No switches linked with key ID7 MEM SW1: M1 linked with key ID7 MEM SW2: M2 linked with key ID7 MEM SW3: M3 linked with key ID7 - FL Door Courtesy Driver door courtesy switch condition/ON or OFF ON: Door courtesy switch on (driver door open) OFF: Door courtesy switch off (driver door closed)
3. ACTIVE TEST HINT: Using the Techstream to perform Active Tests allows relays, VSVs, actuators and other items to be operated without removing any parts. This non-intrusive functional inspection can be very useful because intermittent operation may be discovered before parts or wiring is disturbed. Performing Active Tests early in troubleshooting is one way to save diagnostic time. Data List information can be displayed while performing Active Tests. Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Enter the following menus: Body Electrical / Mirror L or Mirror R / Active Test. Perform the Active Test according to the display on the Techstream. MIRROR L / MIRROR R Tester Display Test Part Control Range Diagnostic Note Mirror Up/Down Mirror vertical operation Up / Down - Mirror Right/Left Mirror horizontal operation Right / Left - Mirror Fold/Return Mirror retract operation Fold / Return - Mirror Heater Mirror heater operation ON / OFF - Enter the following menus: Body Electrical / Main Body / Active Test. Perform the Active Test according to the display on the Techstream. DRIVER SEAT Tester Display Test Part Control Range Diagnostic Note Buzzer Buzzer built into the position control ECU and switch ON or OFF

INSPECTION PROCEDURE

Note. The power mirror control system is a part of the CAN communication system. This system features shared communication wiring that reduces the wiring complexity of the communication lines. The first step in any repair is to confirm the proper operation of the communication system. Proceed with troubleshooting after the communication has been verified (See CAN Communication System. Refer to HOW TO PROCEED WITH TROUBLESHOOTING ). The mirror heater operation is liked with the defogger system or wiper and washer system. Confirm that these systems are operating normally before starting the inspection.

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1. CHECK WINDOW DEFOGGER SYSTEM Check window defogger system operation. Refer to «SYSTEM DESCRIPTION»(ref-400979-S14492936702011051800000) . OK Window defogger system is normal. NG --> See step 5 OK: Go to next step
2. PERFORM ACTIVE TEST USING TECHSTREAM Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Enter the following menus: Body Electrical /Mirror L or Mirror R / Active Test. Perform an Active Test according to the display on the Techstream. MIRROR L / MIRROR R Tester Display Test Part Control Range Diagnostic Note Mirror Heater Mirror heater operation ON / OFF - Result Result Proceed to Mirror heater operation on both mirrors are not normal A Mirror heater operation on RH side mirror is not normal B Mirror heater operation on LH side mirror is not normal C C --> See step 4 B --> See step 3 A --> See step 6
3. INSPECT OUTER REAR VIEW MIRROR ASSEMBLY RH Remove the outer rear view mirror assembly RH. Refer to «REMOVAL»(ref-400925-S01684763462011051800000) . Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition z3-4 (HTR+) - z3-12 (HTR-) 25°C (77°F) 2.4 to 4.4 ohms TEXT IN ILLUSTRATION *1 Component without harness connected (Outer Rear View Mirror Assembly RH) NG --> See step 7 OK --> See step 8
4. INSPECT OUTER REAR VIEW MIRROR ASSEMBLY LH Remove the outer rear view mirror assembly LH. Refer to «REMOVAL»(ref-400925-S01684763462011051800000) . Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition z4-4 (HTR+) - z4-12 (HTR-) 25°C (77°F) 2.4 to 4.4 ohms TEXT IN ILLUSTRATION *1 Component without harness connected (Outer Rear View Mirror Assembly LH) NG --> See step 9 OK --> See step 10
5. GO TO WINDOW DEFOGGER SYSTEM. Refer to «PROBLEM SYMPTOMS TABLE»(ref-400979-S26960639272011051800000)
6. REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY. Refer to «REMOVAL»(ref-400783-S15121641442011051800000)
7. REPLACE OUTER REAR VIEW MIRROR ASSEMBLY RH. Refer to «REMOVAL»(ref-400925-S01684763462011051800000)
8. REPLACE OUTER MIRROR CONTROL ECU ASSEMBLY (FRONT PASSENGER SIDE). Refer to «REMOVAL»(ref-400925-S30783015992011051800000)
9. REPLACE OUTER REAR VIEW MIRROR ASSEMBLY LH. Refer to «REMOVAL»(ref-400925-S01684763462011051800000)
10. REPLACE OUTER MIRROR CONTROL ECU ASSEMBLY (DRIVER SIDE). Refer to «REMOVAL»(ref-400925-S30783015992011051800000)

Note. The power mirror control system is a part of the CAN communication system. This system features shared communication wiring that reduces the wiring complexity of the communication lines. The first step in any repair is to confirm the proper operation of the communication system. Proceed with troubleshooting after the communication has been verified (See CAN Communication System. Refer to HOW TO PROCEED WITH TROUBLESHOOTING ). The mirror heater operation is liked with the defogger system or wiper and washer system. Confirm that these systems are operating normally before starting the inspection.

HINT

The reverse shift-linked function will not activate when the mirror select switch is in the neutral position (off).

Scheme 35

1. CHECK MEMORY AND REACTIVATION FUNCTION Turn the engine switch on (IG). Using the outer mirror switch assembly, turn the mirror surface to the fully left position. TEXT IN ILLUSTRATION *1 Turn to Left Fully Press the M1 switch while the SET switch is being pressed. Check that the buzzer sounds for 0.5 seconds and the mirror surface position is memorized. Using the outer mirror switch assembly, turn the mirror surface to the fully right position. Press the M1 switch. Check that the buzzer sounds for 0.1 seconds and the outer mirror automatically moves to the recorded fully left position. Result Result Proceed to Memory and reactivation function is normal. A Memory function is not normal. B Reactivation function is not normal. C C --> See step 12 B --> See step 11 A: Go to next step
2. CHECK CAN COMMUNICATION SYSTEM Use the Techstream to check if the CAN communication system is functioning normally. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-400834-S14071915672011051800000) . OK CAN communication DTC is not output. NG --> See step 13 OK: Go to next step
3. CHECK FOR DTC (P0705) Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Enter the following menus: Powertrain / Engine / DTC. Check if DTC P0705 is output. OK DTC P0705 is not output. NG --> See step 14 OK: Go to next step
4. CHECK COMBINATION METER ASSEMBLY Check if the shift position indicator light in the combination meter assembly operates normally. OK The shift position indicator light indicates the actual shift position correctly. NG --> See step 15 OK: Go to next step
5. READ VALUE USING TECHSTREAM Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Enter the following menus: Body Electrical / Master Switch / Data List. Read the Data List according to the display on the Techstream. MASTER SWITCH Tester Display Measurement Item/Range Normal Condition Diagnostic Note Mirror Selection SW (R) Mirror select switch R signal / ON or OFF ON: Mirror select switch R is on OFF: Mirror select switch R is off - Mirror Selection SW (L) Mirror select switch L signal / ON or OFF ON: Mirror select switch L is on OFF: Mirror select switch L is off - ON ON and OFF appear on the screen. NG --> See step 16 OK: Go to next step
6. CHECK REVERSE SHIFT-LINKED FUNCTION Turn the engine switch on (IG). Set the mirror select switch to L to R. Check that the mirror surface turns downward when the shift lever is moved to R. Result Result Proceed to Reverse shift-linked function on both mirrors is not normal A Reverse shift-linked function on RH side is not normal B Reverse shift-linked function on LH side is not normal C C --> See step 9 B --> See step 7 A --> See step 17
7. REPLACE OUTER REAR VIEW MIRROR ASSEMBLY RH Replace the outer rear view mirror assembly RH. Refer to «REMOVAL»(ref-400925-S01684763462011051800000) . NEXT: Go to next step
8. CHECK REVERSE SHIFT-LINKED FUNCTION Turn the engine switch on (IG). Set the mirror select switch to L to R. Check that the mirror surface turns downward when the shift lever is moved to R. OK Reverse shift-linked function is normal. NG --> See step 18 OK --> END (OUTER REAR VIEW MIRROR ASSEMBLY RH WAS DEFECTIVE)
9. REPLACE OUTER REAR VIEW MIRROR ASSEMBLY LH Replace the outer rear view mirror assembly LH. Refer to «REMOVAL»(ref-400925-S01684763462011051800000) . NEXT: Go to next step
10. CHECK REVERSE SHIFT LINKED FUNCTION Turn the engine switch on (IG). Set the mirror select switch to L to R. Check that the mirror surface turns downward when the shift lever is moved to R. OK Reverse shift-linked function is normal. NG --> See step 19 OK --> END (OUTER REAR VIEW MIRROR ASSEMBLY LH WAS DEFECTIVE)
11. GO TO OTHER FLOW CHART (Power Mirror Surface Position is not Memorized). Refer to «Power Mirror Surface Position is not Memorized»(ref-400875-S14495670522011051800000)
12. GO TO OTHER FLOW CHART (Power Mirrors do not Return to Memorized Position). Refer to «Power Mirrors do not Return to Memorized Position»(ref-400875-S31049674702011051800000)
13. GO TO CAN COMMUNICATION SYSTEM. Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-400834-S03841674552011051800000)
14. GO TO SFI SYSTEM (DTC P0705). Refer to «DTC P0705: Transmission Range Sensor Circuit Malfunction (PRNDL Input)»(ref-400799-S30565222552011051800000)
15. GO TO METER / GAUGE SYSTEM (PROBLEM SYMPTOMS TABLE). Refer to «PROBLEM SYMPTOMS TABLE»(ref-400839-S12135048892011051800000)
16. REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY. Refer to «REMOVAL»(ref-400909-S41349509362011051800000)
17. REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to «REMOVAL»(ref-400866-S02233239402011051800000)
18. REPLACE OUTER MIRROR CONTROL ECU ASSEMBLY (FRONT PASSENGER SIDE). Refer to «REMOVAL»(ref-400925-S30783015992011051800000)
19. REPLACE OUTER MIRROR CONTROL ECU ASSEMBLY (DRIVER SIDE). Refer to «REMOVAL»(ref-400925-S30783015992011051800000)

HINT

The reverse shift-linked function will not activate when the mirror select switch is in the neutral position (off).