Toyota Tundra Service Manual: Sliding Roof ECU Power Source Circuit

DESCRIPTION

If the sliding function and tilt function do not operate, there may be a malfunction in the sliding roof ECU power source circuit.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

Inspect the fuses for circuits related to this system before performing the following procedure.

PROCEDURE

(a) Use the Data List to check if the ignition switch signal is functioning properly.

Click here

OK:

The Techstream displays as shown in the table according to the operation of each switch.

OK

REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF ECU)

NG

(a) Disconnect the W3 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:

OK

REPLACE SLIDING ROOF GLASS SUB-ASSEMBLY (SLIDING ROOF ECU)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR