DESCRIPTION
The sliding roof ECU (sliding roof drive gear sub-assembly) receives slide and tilt signals when the sliding roof switch is operated and drives its built-in motor.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
PROCEDURE
1. |
READ VALUE USING TECHSTREAM |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Sliding Roof / Data List.
(e) Read the Data List according to the display on the Techstream.
Sliding Roof
Tester Display |
Measurement Item/Range |
Normal Condition |
Diagnostic Note |
---|---|---|---|
Open Switch |
OPEN switch signal/ON or OFF |
ON: OPEN switch pressed OFF: OPEN switch not pressed |
- |
Close Switch |
CLOSE switch signal/ON or OFF |
ON: CLOSE switch pressed OFF: CLOSE switch not pressed |
- |
Up Switch |
UP switch signal/ON or OFF |
ON: UP switch pressed OFF: UP switch not pressed |
- |
Down Switch |
DOWN switch signal/ON or OFF |
ON: DOWN switch pressed OFF: DOWN switch not pressed |
- |
OK:
The Techstream display changes according to switch operation as shown in the table.
NG |
GO TO STEP 3 |
|
2. |
CHECK HARNESS AND CONNECTOR (SLIDING ROOF ECU - BATTERY AND BODY GROUND) |
(a) Disconnect the S50 sliding roof ECU (sliding roof drive gear sub-assembly) connector.
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
S50-8 (B) - Body ground |
Always |
11 to 14 V |
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
S50-12 (E) - Body ground |
Always |
Below 1 Ω |
OK |
REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
3. |
INSPECT SLIDING ROOF SWITCH (ROOF CONSOLE BOX ASSEMBLY) |
(a) Remove the sliding roof switch (roof console box assembly) (See page ). |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
17 (UP) - 12 (GND) |
UP switch is pressed |
Below 1 Ω |
17 (UP) - 12 (GND) |
UP switch is not pressed |
10 kΩ or higher |
20 (DOWN) - 12 (GND) |
DOWN switch is pressed |
Below 1 Ω |
20 (DOWN) - 12 (GND) |
DOWN switch is not pressed |
10 kΩ or higher |
19 (OPN) - 12 (GND) |
OPEN switch is pressed |
Below 1 Ω |
19 (OPN) - 12 (GND) |
OPEN switch is not pressed |
10 kΩ or higher |
18 (CLS) - 12 (GND) |
CLOSE switch is pressed |
Below 1 Ω |
18 (CLS) - 12 (GND) |
CLOSE switch is not pressed |
10 kΩ or higher |
*a |
Component without harness connected (Sliding Roof Switch (Roof Console Box Assembly)) |
NG |
REPLACE SLIDING ROOF SWITCH (ROOF CONSOLE BOX ASSEMBLY) |
|
4. |
CHECK HARNESS AND CONNECTOR (SLIDING ROOF ECU - SLIDING ROOF SWITCH AND BODY GROUND) |
(a) Disconnect the R44 sliding roof switch (roof console box assembly) connector.
(b) Disconnect the S50 sliding roof ECU (sliding roof drive gear sub-assembly) connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
S50-5 (CLS) - R44-18 (CLS) |
Always |
Below 1 Ω |
S50-5 (CLS) - Body ground |
Always |
10 kΩ or higher |
S50-7 (OPN) - R44-19 (OPN) |
Always |
Below 1 Ω |
S50-7 (OPN) - Body ground |
Always |
10 kΩ or higher |
S50-6 (DWN) - R44-20 (DOWN) |
Always |
Below 1 Ω |
S50-6 (DWN) - Body ground |
Always |
10 kΩ or higher |
S50-4 (UP) - R44-17 (UP) |
Always |
Below 1 Ω |
S50-4 (UP) - Body ground |
Always |
10 kΩ or higher |
R44-12 (GND) - Body ground |
Always |
Below 1 Ω |
S50-12 (E) - Body ground |
Always |
Below 1 Ω |
OK |
REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
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2. IN ...