Inspection Procedure
- READ VALUE OF HAND-HELD TESTER
- Connect the hand-held tester (with CAN VIM) to the DLC3.
- Turn the ignition switch ON and press the hand-held tester main switch ON.
- Select the items below in the DATA LIST, and read the displays on the hand-held tester.
DRIVER SIDE J/B ECU:
DRIVER SIDE J/B ECU DATA LIST REFERENCEItem Measurement Item/Display (Range) Normal Condition MIRR SEL SW L Mirror selection switch signal for LH mirror/ON or OFF ON: Switch is in left position OFF: Switch is in original or right position MIRR SEL SW R Mirror selection switch signal for RH mirror/ON or OFF ON: Switch is in right position OFF: Switch is in original or left position MIRR POS SW L Mirror position switch signal (Left)/ON or OFF ON: Switch L is ON OFF: Any switch except L is ON or all switches are OFF MIRR POS SW R Mirror position switch signal (Right)/ON or OFF ON: Switch R is ON OFF: Any switch except R is ON or all switches are OFF MIRR POS SW UP Mirror position switch signal (Up)/ ON or OFF ON: Switch UP is ON OFF: Any switch except UP is ON or all switches are OFF MIRR POS SW DWN Mirror position switch signal (Down)/ ON or OFF ON: Switch DOWN is ON OFF: Any switch except DOWN is ON or all switches are OFF OK:
On the tester screen, each item should change between ON and OFF according to the above chart.
NG: Go to step 2
OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON PROBLEM SYMPTOMS TABLE
- INSPECT OUTER MIRROR SWITCH (MIRROR MASTER SWITCH AND MIRROR CONTROL SWITCH)
- Measure the resistance of the mirror master switch and mirror control switch.
Standard:
MIRROR MASTER SWITCH
MIRROR MASTER SWITCH RESISTANCE SPECIFICATIONSTester Condition Switch Condition Specified Condition 8-9 LEFT 100 Ω 8-9 RIGHT 0 MIRROR CONTROL SWITCH
MIRROR CONTROL SWITCH RESISTANCE SPECIFICATIONSTester Condition Switch Condition Specified Condition 7-9 UP Approx. 100 Ω 7-9 RIGHT 250 Ω 7-9 DOWN 470 Ω 7-9 LEFT 800 Ω NG: REPLACE OUTER MIRROR SWITCH
OK: GO TO NEXT STEP
- CHECK WIRE HARNESS (OUTER MIRROR SWITCH - DRIVER SIDE J/B ECU)
- Disconnect the O3 switch connector.
- Disconnect the D6 ECU connector.
- Measure the resistance of the wire harness side connectors.
Standard
RESISTANCE SPECIFICATIONSTester Connection Specified Condition O3-7 - D6-11 (M+) Below 1 Ω O3-8 - D6-10 (MSW) Below 1 Ω O3-9 - D6-7 (R/E) Below 1 Ω O3-7 - Body ground 10 kΩ or higher O3-8 - Body ground 10 kΩ or higher Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: REPAIR OR REPLACE HARNESS AND CONNECTORS
OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON PROBLEM SYMPTOMS TABLE