DESCRIPTION
for Power mirror control system (w/o Memory)
The main body ECU (multiplex network body ECU) controls the door mirror foot lights.
for Power mirror control system (w/ Memory)
The outer mirror control ECU assembly receives the signal from the main body ECU (multiplex network body ECU) to control the door mirror foot light.
WIRING DIAGRAM
for POWER MIRROR CONTROL SYSTEM (w/o Memory)
| *a | MILE |
| *b | Outer Rear View Mirror Assembly LH |
| *c | Outer Rear View Mirror Assembly RH |
| *d | Main Body ECU (Multiplex Network Body ECU) |
for POWER MIRROR CONTROL SYSTEM (w/ Memory)
| *a | Outer Rear View Mirror Assembly LH |
| *b | Outer Mirror Control ECU Assembly LH |
| *c | Outer Rear View Mirror Assembly RH |
| *d | Outer Mirror Control ECU Assembly RH |
CAUTION / NOTICE / HINT
Note
Before replacing the main body ECU (multiplex network body ECU), refer to Service Bulletin.
PROCEDURE
CHECK VEHICLE TYPE
Check the vehicle type.
| Result | ||||||
|---|---|---|---|---|---|---|
|
| B |
|
PERFORM ACTIVE TEST USING GTS Click here |
| A |
|
PERFORM ACTIVE TEST USING GTS
Connect the GTS to the DLC3.
Turn the power switch on (IG).
Turn the GTS on.
Enter the following menus: Body Electrical / Main Body / Active Test.
Check that the high beam headlights illuminate.
| Tester Display | Measurement Item | Control Range | Diagnostic Note |
|---|---|---|---|
| Side Mirror Foot Light | Door mirror foot lights | ON/OFF | *1 |
*1: for Power Mirror Control System (w/o Memory)
| Tester Display |
|---|
| Side Mirror Foot Light |
| OK |
|---|
| Door mirror foot lights illuminate. |
| Result | ||||||||
|---|---|---|---|---|---|---|---|---|
|
| A |
|
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here |
| C |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| B |
|
INSPECT OUTER REAR VIEW MIRROR ASSEMBLY
Remove the outer rear view mirror assembly that does not illuminate.
| *a | Component without harness connected (Outer Rear View Mirror Assembly LH) (Outer Rear View Mirror Assembly RH) |
Connect a positive (+) lead from the auxiliary battery to terminal 2 (MLP) and a negative (-) lead to terminal 12 (-).
Check that the door mirror foot light illuminates.
| OK |
|---|
| Door mirror foot light illuminates. |
| Result | ||||||||
|---|---|---|---|---|---|---|---|---|
|
| B |
|
REPLACE OUTER REAR VIEW MIRROR ASSEMBLY LH Click here |
| C |
|
REPLACE OUTER REAR VIEW MIRROR ASSEMBLY RH Click here |
| A |
|
CHECK HARNESS AND CONNECTOR (MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) - OUTER REAR VIEW MIRROR ASSEMBLY)
Disconnect the K1 main body ECU (multiplex network body ECU) connector.
Disconnect the N23*1 or N8*2 outer rear view mirror assembly connector.
*1: for LH Side
*2: for RH Side
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
|||||||||
|
| Result | |||
|---|---|---|---|
|
| OK |
|
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
PERFORM ACTIVE TEST USING GTS
Connect the GTS to the DLC3.
Turn the power switch on (IG).
Turn the GTS on.
Enter the following menus: Body Electrical / Mirror L or Mirror R / Active Test.
Check that the door mirror foot lights illuminate.
| Tester Display | Measurement Item | Control Range | Diagnostic Note |
|---|---|---|---|
| Foot Light | Door mirror foot light LH | ON/OFF | *1 |
| Tester Display | Measurement Item | Control Range | Diagnostic Note |
|---|---|---|---|
| Foot Light | Door mirror foot light RH | ON/OFF | *1 |
*1: for Power mirror control system (w/ Memory)
| Tester Display |
|---|
| Foot Light |
| Tester Display |
|---|
| Foot Light |
| OK |
|---|
| Door mirror foot lights illuminate. |
| Result | ||||||||
|---|---|---|---|---|---|---|---|---|
|
| A |
|
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here |
| C |
|
INSPECT OUTER REAR VIEW MIRROR ASSEMBLY RH Click here |
| B |
|
INSPECT OUTER REAR VIEW MIRROR ASSEMBLY LH
Remove the outer rear view mirror assembly LH.
| *a | Component without harness connected (Outer Rear View Mirror Assembly LH) |
Connect a positive (+) lead from the auxiliary battery to terminal 2 (LP) and a negative (-) lead to terminal 12 (HTR-).
Check that the door mirror foot light LH illuminates.
| OK |
|---|
| Door mirror foot light illuminates. |
| Result | |||
|---|---|---|---|
|
| OK |
|
REPLACE OUTER MIRROR CONTROL ECU ASSEMBLY LH Click here |
| NG |
|
REPLACE OUTER REAR VIEW MIRROR ASSEMBLY LH Click here |
INSPECT OUTER REAR VIEW MIRROR ASSEMBLY RH
Remove the outer rear view mirror assembly RH.
| *a | Component without harness connected (Outer Rear View Mirror Assembly RH) |
Connect a positive (+) lead from the auxiliary battery to terminal 2 (LP) and a negative (-) lead to terminal 12 (HTR-).
Check that the door mirror foot light RH illuminates.
| OK |
|---|
| Door mirror foot light illuminates. |
| Result | |||
|---|---|---|---|
|
| OK |
|
REPLACE OUTER MIRROR CONTROL ECU ASSEMBLY RH Click here |
| NG |
|
REPLACE OUTER REAR VIEW MIRROR ASSEMBLY RH Click here |