Power Mirror Control (W/o Memory) (Diagnostics & Symptom Tests): Other Lexus CT I

PRECAUTION

Note. When disconnecting the cable from the negative (-) battery terminal, initialize the following systems after the cable is reconnected. System Name See Procedure Parking Assist Monitor System Refer to INITIALIZATION Power Door Lock Control System

Scheme 107

Scheme 108

Scheme 109

Scheme 110

COMMUNICATION TABLE

PROCEDURE

1. PERFORM ACTIVE TEST USING TECHSTREAM Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Enter the following menus: Body Electrical / Air Conditioner / Active Test. Perform an Active Test according to the display on the Techstream. AIR CONDITIONER Tester Display Test Part Control Range Diagnostic Note Defogger Relay (Rear) Mirror heater ON / OFF Operate with Power Switch on (IG) Result Result Proceed to Mirror heater operations 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 B --> See step 8 C --> See step 10 A: Go to next step
2. CHECK DEFOGGER SYSTEM Check the rear window defogger operation. OK The rear window defogger operates normally. NG --> See step 15 OK: Go to next step
3. CHECK HARNESS AND CONNECTOR (NO. 1 INTEGRATION RELAY - BODY GROUND) Disconnect the 1H and 1G connectors from the no. 1 integration relay. Measure the resistance according to the value(s) in the table below Standard Resistance Tester Connection Condition Specified Condition 1H-3 (GND2) - Body ground Always Below 1 ohms 1G-22 (GND1) - Body ground Always Below 1 ohms NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (NO. 1 INTEGRATION RELAY - BODY GROUND) OK: Go to next step
4. CHECK HARNESS AND CONNECTOR (OUTER REAR VIEW MIRROR ASSEMBLY RH - NO. 1 INTEGRATION RELAY) Disconnect 1I connector from the No. 1 integration relay. Disconnect the J6 connector from the outer rear view mirror assembly RH. Measure the resistance according to the value(s) in the table below Standard Resistance Tester Connection Condition Specified Condition 1I-2 (MHTR) - J6-4 (+) Always Below 1 ohms 1I-2 (MHTR) - Body ground Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (OUTER REAR VIEW MIRROR ASSEMBLY RH - NO. 1 INTEGRATION RELAY) OK: Go to next step
5. CHECK HARNESS AND CONNECTOR (OUTER REAR VIEW MIRROR ASSEMBLY LH - NO. 1 INTEGRATION RELAY) Disconnect the K6 outer rear view mirror assembly LH connector. Measure the resistance according to the value(s) in the table below Standard Resistance Tester Connection Condition Specified Condition 1I-2 (MHTR) - K6-4 (+) Always Below 1 ohms 1I-2 (MHTR) - Body ground Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (OUTER REAR VIEW MIRROR ASSEMBLY LH - NO. 1 INTEGRATION RELAY) OK: Go to next step
6. REPLACE NO. 1 INTEGRATION RELAY Replace the No. 1 integration relay. Refer to «REMOVAL»(ref-568756-S04160177552013072300000) . NEXT: Go to next step
7. CHECK MIRROR HEATER SYSTEM Check the mirror heater system. OK Mirror heater system is normal. NG --> See step 12 OK --> END (NO. 1 INTEGRATION RELAY WAS DEFECTIVE)
8. CHECK HARNESS AND CONNECTOR (INTEGRATION RELAY - OUTER REAR VIEW MIRROR - BODY GROUND) Disconnect the 1I connector from the No. 1 integration relay. Disconnect the J6 connector from the outer rear view mirror assembly RH. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 1I-2 (MHTR) - J6-4 (+) Always Below 1 ohms J6-12 (-) - Body ground Always Below 1 ohms NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (INTEGRATION RELAY - OUTER REAR VIEW MIRROR - BODY GROUND) OK: Go to next step
9. CHECK OUTER REAR VIEW MIRROR ASSEMBLY RH Remove the outer rear view mirror assembly RH. Refer to «REMOVAL»(ref-568827-S23458436912013072300000) . Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition J6-4 (+) - J6-12 (-) 25°C (77°F) 7.6 to 11.4 ohms TEXT IN ILLUSTRATION *a Component without harness connected (Outer Rear View Mirror Assembly RH) NG --> See step 13 OK --> See step 16
10. CHECK HARNESS AND CONNECTOR (INTEGRATION RELAY - OUTER REAR VIEW MIRROR - BODY GROUND) Disconnect the 1I connector from the No. 1 integration relay. Disconnect the K6 connector from the outer rear view mirror assembly LH. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 1I-2 (MHTR) - K6-4 (+) Always Below 1 ohms K6-12 (-) - Body ground Always Below 1 ohms NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (INTEGRATION RELAY - OUTER REAR VIEW MIRROR - BODY GROUND) OK: Go to next step
11. CHECK OUTER REAR VIEW MIRROR ASSEMBLY LH Remove the outer rear view mirror assembly LH. Refer to «REMOVAL»(ref-568827-S23458436912013072300000) . Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition K6-4 (+) - K6-12 (-) 25°C (77°F) 7.6 to 11.4 ohms TEXT IN ILLUSTRATION *a Component without harness connected (Outer Rear View Mirror Assembly LH) NG --> See step 14 OK --> See step 17
12. REPLACE A/C AMPLIFIER ASSEMBLY. Refer to «REMOVAL»(ref-568733-S07880864152013072300000)
13. REPLACE OUTER MIRROR RH (FRONT PASSENGER SIDE). Refer to «REMOVAL»(ref-568827-S01524780442013072300000)
14. REPLACE OUTER MIRROR LH. Refer to «DISASSEMBLY»(ref-568827-S22141404002013072300000)
15. GO TO WINDOW DEFOGGER SYSTEM. Refer to «PROBLEM SYMPTOMS TABLE»(ref-568849-S01409872302013072300000)
16. REPLACE OUTER MIRROR ACTUATOR ASSEMBLY RH. Refer to «DISASSEMBLY»(ref-568827-S22141404002013072300000)
17. REPLACE OUTER MIRROR ACTUATOR ASSEMBLY LH. Refer to «DISASSEMBLY»(ref-568827-S22141404002013072300000)