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 |
System Description
SYSTEM DESCRIPTION
1. SEAT BELT WARNING SYSTEM DESCRIPTION
(a) Seat belt warning light operation for driver seat belt:
The seat belt warning light on the combination meter assembly illuminates, blinks
or turns off in accordance with the driver seat belt state, vehicle speed, shift
lever posit ...
Installation
INSTALLATION
PROCEDURE
1. INSTALL INTAKE MANIFOLD
(a) Set 2 new No. 1 intake manifold to head gaskets on cylinder head
sub-assembly and cylinder head LH as shown in the illustration.
NOTICE:
Align the port holes of the gasket and cylinder head sub-assembly
...
Installation
INSTALLATION
CAUTION / NOTICE / HINT
HINT:
The following procedures are for BD22 (w/o Differential Lock).
PROCEDURE
1. INSTALL DIFFERENTIAL CARRIER ASSEMBLY REAR
(a) Clean the contact surfaces of the rear differential carrier assembly and
axle housing.
(b) Install the rear differential carr ...