DESCRIPTION
The sliding roof ECU (sliding roof drive gear sub-assembly) receives switch slide and tilt signals and drives its built-in motor.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
PROCEDURE
1. |
PERFORM ACTIVE TEST USING TECHSTREAM (SLIDING ROOF OPERATION) |
(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 / Active Test.
(e) Perform the Active Test according to the display on the Techstream.
Sliding Roof (Sliding Roof ECU (Sliding Roof Drive Gear Sub-assembly))
Tester Display |
Test Part |
Control Range |
Diagnostic Note |
---|---|---|---|
Slide Roof |
Operate sliding roof |
CLOS/UP / OFF |
- |
Slide Roof |
Operate sliding roof |
OPN/DWN / OFF |
- |
OK:
Sliding roof operates normally.
NG | ![]() |
GO TO STEP 3 |
|
2. |
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 (Sliding Roof ECU (Sliding Roof Drive Gear Sub-assembly))
Tester Display |
Measurement Item/Range |
Normal Condition |
Diagnostic Note |
---|---|---|---|
Open SW |
SLIDE OPEN switch signal/ON or OFF |
ON: SLIDE OPEN switch pressed OFF: SLIDE OPEN switch not pressed |
- |
Close SW |
SLIDE CLOSE switch signal/ON or OFF |
ON: SLIDE CLOSE switch pressed OFF: SLIDE CLOSE switch not pressed |
- |
Up SW |
TILT UP switch signal/ON or OFF |
ON: TILT UP switch pressed OFF: TILT UP switch not pressed |
- |
Down SW |
TILT DOWN switch signal/ON or OFF |
ON: TILT DOWN switch pressed OFF: TILT DOWN switch not pressed |
- |
OK:
The Techstream display changes according to switch operation as shown in the table.
OK | ![]() |
REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) |
NG | ![]() |
GO TO STEP 4 |
3. |
CHECK HARNESS AND CONNECTOR (SLIDING ROOF ECU - BATTERY, BODY GROUND) |
(a) Disconnect the P4 ECU connector. |
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
P4-1 (B) - Body ground |
Always |
11 to 14 V |
P4-5 (IG) - Body ground |
Ignition switch ON |
11 to 14 V |
P4-5 (IG) - Body ground |
Ignition switch off |
Below 1 V |
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
P4-2 (E) - Body ground |
Always |
Below 1 Ω |
*1 |
Front view of wire harness connector (to Sliding Roof ECU (Sliding Roof Drive Gear Sub-assembly)) |
OK | ![]() |
REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
4. |
CHECK HARNESS AND CONNECTOR (SLIDING ROOF ECU - SLIDING ROOF SWITCH ASSEMBLY) |
(a) Disconnect the P6 switch connector. |
|
(b) Disconnect the P4 ECU connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
P4-9 (CLS) - P6-2 (CLS) |
Always |
Below 1 Ω |
P4-9 (CLS) - Body ground |
Always |
10 kΩ or higher |
P4-7 (OPN) - P6-3 (OPN) |
Always |
Below 1 Ω |
P4-7 (OPN) - Body ground |
Always |
10 kΩ or higher |
P4-8 (DWN) - P6-4 (DOWN) |
Always |
Below 1 Ω |
P4-8 (DWN) - Body ground |
Always |
10 kΩ or higher |
P4-10 (UP) - P6-5 (UP) |
Always |
Below 1 Ω |
P4-10 (UP) - Body ground |
Always |
10 kΩ or higher |
P6-1 (GND) - Body ground |
Always |
Below 1 Ω |
P4-2 (E) - Body ground |
Always |
Below 1 Ω |
*1 |
Front view of wire harness connector (to Sliding Roof ECU (Sliding Roof Drive Gear Sub-assembly)) |
*2 |
Front view of wire harness connector (to Sliding Roof Switch (Roof Console Box Assembly)) |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
5. |
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 |
---|---|---|
P6-4 (DOWN) - P6-1 (GND) |
TILT DOWN switch is pressed |
Below 1 Ω |
P6-4 (DOWN) - P6-1 (GND) |
TILT DOWN switch is not pressed |
10 kΩ or higher |
P6-5 (UP) - P6-1 (GND) |
TILT UP switch is pressed |
Below 1 Ω |
P6-5 (UP) - P6-1 (GND) |
TILT UP switch is not pressed |
10 kΩ or higher |
P6-2 (CLS) - P6-1 (GND) |
SLIDE CLOSE switch is pressed |
Below 1 Ω |
P6-2 (CLS) - P6-1 (GND) |
SLIDE CLOSE switch is not pressed |
10 kΩ or higher |
P6-3 (OPN) - P6-1 (GND) |
SLIDE OPEN switch is pressed |
Below 1 Ω |
P6-3 (OPN) - P6-1 (GND) |
SLIDE OPEN switch is not pressed |
10 kΩ or higher |
*1 |
Component without harness connected Sliding Roof Switch (Roof Console Box Assembly) |
OK | ![]() |
REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) |
NG | ![]() |
REPLACE SLIDING ROOF SWITCH (ROOF CONSOLE BOX ASSEMBLY) |
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