DESCRIPTION
PROCEDURE
1. |
CHECK LIN COMMUNICATION SYSTEM |
(a) Check for LIN communication system DTCs related to the power window control
system (See page ).
OK:
LIN communication system DTCs are not output.
NG | ![]() |
GO TO LIN COMMUNICATION SYSTEM |
|
2. |
CHECK POWER WINDOW OPERATION FUNCTION AFTER IGNITION SWITCH OFF |
(a) Check the power window operation function after the ignition switch is turned
off (See page ).
Result |
Proceed to |
---|---|
Front side door is opened within 43 sec. but power windows can still operate |
A |
43 sec. pass and power windows can still operate |
B |
B | ![]() |
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) |
|
3. |
READ VALUE USING TECHSTREAM (FRONT DOOR COURTESY LIGHT SWITCH) |
(a) Use the Data List to check if the main body ECU (multiplex network body ECU)
is functioning properly (See page ).
Tester Display |
Measurement Item/Range |
Normal Condition |
Diagnostic Note |
---|---|---|---|
FL Door Courtesy SW |
Front door courtesy light switch LH signal / ON or OFF |
ON: Front door LH closed OFF: Front door LH open |
- |
FR Door Courtesy SW |
Front door courtesy light switch RH signal / ON or OFF |
ON: Front door RH closed OFF: Front door RH open |
- |
OK:
On tester screen, each item changes between ON and OFF according to above chart.
OK | ![]() |
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) |
|
4. |
CHECK FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY |
(a) Open a front door and check that the map light illuminates (See page
).
OK:
Map light illuminates.
NG | ![]() |
REPLACE FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY |
|
5. |
CHECK DRIVER SIDE JUNCTION BLOCK ASSEMBLY |
(a) Temporarily replace the driver side junction block with a new or normally functioning one.
(b) Check that the key-off operation function operates normally.
OK | ![]() |
END (DRIVER SIDE JUNCTION BLOCK ASSEMBLY IS DEFECTIVE) |
NG | ![]() |
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) |
Reassembly
REASSEMBLY
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for the RH and LH sides.
The procedure listed below is for the LH side.
PROCEDURE
1. TEMPORARILY INSTALL FRONT DISC BRAKE BLEEDER PLUG
(a) Temporarily install the front dis ...
Road Test
ROAD TEST
1. PROBLEM SYMPTOM CONFIRMATION
(a) Based on the result of the customer problem analysis, try to reproduce the
symptoms. If the problem is that the transmission does not shift up or shift down,
or that the shift point is too high or too low, co ...