Roof Sunshade does not Move by Operating Roof Sunshade Switch

INTERIOR PANELS / TRIM: ROOF SUNSHADE SYSTEM: Roof Sunshade does not Move by Operating Roof Sunshade Switch
- Roof Sunshade does not Move by Operating Roof Sunshade Switch

DESCRIPTION

The roof sunshade ECU (sliding roof drive gear assembly) receives switch signals and drives its built-in motor.

WIRING DIAGRAM





INSPECTION PROCEDURE

NOTICE:
* Inspect the fuses for circuits related to this system before performing the following inspection procedure.
* When the roof sunshade ECU (sliding roof drive gear assembly) is reinstalled or replaced, the roof sunshade ECU (sliding roof drive gear assembly) must be initialized Initialization.
* Since the roof sunshade system has functions that use LIN communication, first confirm that there is no malfunction in the LIN communication functions in accordance with the How to Proceed with Troubleshooting procedure How To Proceed With Troubleshooting.

PROCEDURE

1. READ VALUE USING TECHSTREAM

(a) Connect the Techstream to the DLC3.

(b) Turn the power switch on (IG).

(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 (Roof Sunshade ECU (Sliding Roof Drive Gear Assembly))





OK:

The Techstream display changes according to switch operation as shown in the table.

NG -- INSPECT ROOF SUNSHADE SWITCH (MAP LIGHT ASSEMBLY)
OK -- Continue to next step.

2. CHECK HARNESS AND CONNECTOR (ROOF SUNSHADE ECU - AUXILIARY BATTERY, BODY GROUND)

(a) Disconnect the z21 ECU connector.

(b) Measure the voltage according to the value(s) in the table below.

Standard Voltage:





(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE ROOF SUNSHADE ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) Removal

3. INSPECT ROOF SUNSHADE SWITCH (MAP LIGHT ASSEMBLY)

(a) Remove the roof sunshade switch (map light assembly) Removal.





(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:





Text in Illustration





NG -- REPLACE ROOF SUNSHADE SWITCH (MAP LIGHT ASSEMBLY) Removal
OK -- Continue to next step.

4. CHECK HARNESS AND CONNECTOR (ROOF SUNSHADE ECU - ROOF SUNSHADE SWITCH)

(a) Disconnect the U3 roof sunshade switch (map light assembly) connector.

(b) Disconnect the z21 roof sunshade ECU (sliding roof drive gear assembly) connector.

(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE ROOF SUNSHADE ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) Removal