ECU

Reference

BCM

Values on the Diagnosis Tool

Reference Value

Fail-safe

DTC Inspection Priority Chart

DTC Index

1

(L)

Ground

Rear power window motor LH DOWN signal

Output

Main power window and door lock/unlock switch (rear LH switch)

Operate

(DOWN)

Battery voltage

Other than above

0 V

2

(BR)

Ground

Rear power window motor LH UP signal

Output

Main power window and door lock/unlock switch (rear LH switch)

Operate

(UP)

Battery voltage

Other than above

0 V

3

(G)

Ground

Front power window motor LH DOWN signal

Output

Main power window and door lock/unlock switch (Front LH switch)

Operate

(DOWN)

0 V

Operate

(AUTO)

0 V

Other than above

Battery voltage

6

(BR)

Ground

Rear power window motor RH DOWN signal

Output

Main power window and door lock/unlock switch (rear RH switch)

Operate

(DOWN)

Battery voltage

Other than above

0 V

7

(P)

Ground

Rear power window motor RH UP signal

Output

Main power window and door lock/unlock switch (rear RH switch)

Operate

(UP)

Battery voltage

Other than above

0 V

8

(BG)

Ground

Door lock signal

Output

Door lock switch in main power window and door lock/unlock switch

Pressed

0 V

Not pressed

Battery voltage

9

(P)

Ground

Door unlock signal

Output

Door lock switch in main power window and door lock/unlock switch

Pressed

0 V

Not pressed

Battery voltage

10

(SB)

Ground

Front power window motor LH UP signal

Output

Main power window and door lock/unlock switch (Front LH switch)

Operate

(UP)

0 V

Operate

(AUTO)

0 V

Other than above

Battery voltage

11

(R)

Ground

Ignition ON power supply 1

Input

Ignition switch ON or power window timer operates

Battery voltage

12

(V)

Ground

Ignition ON power supply 2

Input

Ignition switch ON or power window timer operates

Battery voltage

13

(B)

Ground

Ground

—

—

0 V

14

(GR)

Ground

Front power window motor RH UP signal

Output

Main power window and door lock/unlock switch (Front RH switch)

Operate

(UP)

Battery voltage

Other than above

0 V

15

(LG)

Ground

Front power window motor RH DOWN signal

Output

Main power window and door lock/unlock switch (Front RH switch)

Operate

(DOWN)

Battery voltage

Other than above

0 V

1

(G)

Ground

Front power window motor LH DOWN signal

Input

Main power window and door lock/unlock switch (Front LH switch)

Operate

(DOWN)

0 V

Operate

(AUTO)

0 V

Other than above

Battery voltage

2

(SB)

Ground

Front power window motor LH UP signal

Input

Main power window and door lock/unlock switch (Front LH switch)

Operate

(UP)

0 V

Operate

(AUTO)

0 V

Other than above

Battery voltage

3

(B)

Ground

Ground

—

—

—

4

(Y)

Ground

Auto ACC power supply

Input

Ignition switch OFF (auto ACC status) or ON

Battery voltage

Ignition switch OFF (not auto ACC status)

0V

6

(LG)

Ground

LIN communication signal

Input/Output

Ignition switch ON

Non-Initialized condition

When the motor integrated CPU detect door glass position non-initialized condition

Auto UP operation (Anti-pinch) is forbidden

Initialization completed

Thermal protection

When the motor integrated CPU detects thermal protection

DOWN operation is forbidden

After cooling, a certain amount of time has passed in the ignition switch ON state

(Reference values: approximately 30 to 90 seconds, the elapsed time will be changed depending on how the temperature drops)

When the motor integrated CPU detects thermal protection again when UP is operated from the above state

Operation is forbidden (UP and DOWN is forbidden)

Consecutive reverse operation malfunction

When the motor integrated CPU has detected consecutively 3 times the reverse operation

Auto UP operation (Anti-pinch) is forbidden

Approximately 10 seconds passed or the motor integrated CPU detect door glass fully close position

B2C41–04

Front power window motor LH operation is stop or inching.

U1C02–08

Front power window motor LH operation is stop.