POWER MIRROR CONTROL SYSTEM Power Mirror cannot be Adjusted with Power Mirror Switch
| DTC Code | DTC Name |
|---|---|
| Power Mirror cannot be Adjusted with Power Mirror Switch |
SYSTEM DESCRIPTION
The main body ECU (multiplex network body ECU) detects the mirror adjust switch status and sends the signal to the outer mirror control ECU assembly via CAN communication. Upon receiving the signal, each outer mirror control ECU assembly operates the vertical and horizontal mirror motors to adjust the mirror surface position.
WIRING DIAGRAM
PROCEDURE
CHECK CAN COMMUNICATION SYSTEM
Check if a CAN communication DTC is output.
Result
Result
Proceed to
DTC is not output
A
DTC is output
B
READ VALUE USING INTELLIGENT TESTER (OUTER MIRROR SWITCH)
Using the intelligent tester, read the Data List.
Body Electrical > Main Body > Data List
Tester Display
Measurement Item
Range
Normal Condition
Diagnostic Note
Mirror Selection SW (R)
Mirror select switch signal for RH mirror
ON or OFF
ON: Mirror select switch in R position
OFF: Mirror select switch off or in L position
-
Mirror Selection SW (L)
Mirror select switch signal for LH mirror
ON or OFF
ON: Mirror select switch in L position
OFF: Mirror select switch off or in R position
-
Mirror Position SW (R)
Mirror adjust switch signal (Right)
ON or OFF
ON: Mirror adjust switch pressed right
OFF: Mirror adjust switch not pressed right
Check with the mirror select switch in any position except neutral
Mirror Position SW (L)
Mirror adjust switch signal (Left)
ON or OFF
ON: Mirror adjust switch pressed left
OFF: Mirror adjust switch not pressed left
Check with the mirror select switch in any position except neutral
Mirror Position SW (Up)
Mirror adjust switch signal (Up)
ON or OFF
ON: Mirror adjust switch pressed up
OFF: Mirror adjust switch not pressed up
Check with the mirror select switch in any position except neutral
Mirror Position SW (Dwn)
Mirror adjust switch signal (Down)
ON or OFF
ON: Mirror adjust switch pressed down
OFF: Mirror adjust switch not pressed down
Check with the mirror select switch in any position except neutral
OK
On intelligent tester screen, each item changes between ON and OFF according to above chart.
Result
Result
OK
NG
INSPECT OUTER MIRROR SWITCH ASSEMBLY
-
*1
Mirror Adjust Switch
*2
Mirror Select Switch
Remove the outer mirror switch assembly.
Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection
Switch Condition
Specified Condition
13 (M+) - 12 (E)
Mirror select switch L or R
Mirror adjust switch pressed up
90 to 110 Ω
Mirror select switch L or R
Mirror adjust switch pressed down
437 to 503 Ω
Mirror select switch L or R
Mirror adjust switch pressed left
744 to 856 Ω
Mirror select switch L or R
Mirror adjust switch pressed right
225 to 275 Ω
14 (MSW) - 12 (E)
Mirror select switch R
Below 10 Ω
Mirror select switch L
90 to 110 Ω
Mirror select switch off
10 kΩ or higher
Result
Result
OK
NG
-
CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - OUTER MIRROR SWITCH)
Disconnect the G46 ECU connector.
Disconnect the G6 switch connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection
Condition
Specified Condition
G46-15 (MIRE) - G6-12 (E)
Always
Below 1 Ω
G46-13 (MIRB) - G6-13 (M+)
Always
Below 1 Ω
G46-14 (MIRS) - G6-14 (MSW)
Always
Below 1 Ω
G46-15 (MIRE) - Body ground
Always
10 kΩ or higher
G46-13 (MIRB) - Body ground
Always
10 kΩ or higher
G46-14 (MIRS) - Body ground
Always
10 kΩ or higher
Result
Result
OK
NG
NG REPAIR OR REPLACE HARNESS OR CONNECTOR