Toyota 4Runner manuals

Toyota 4Runner: 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 drive gear sub-assembly power source circuit.

WIRING DIAGRAM


CAUTION / NOTICE / HINT

NOTICE:

  • When the sliding roof drive gear sub-assembly (sliding roof ECU) is removed and reinstalled or replaced, the sliding roof drive gear sub-assembly (sliding roof ECU) must be initialized (See page ).

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

PROCEDURE

1.

CHECK HARNESS AND CONNECTOR (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF ECU) - BATTERY AND BODY GROUND)


*a

Front view of wire harness connector

(to Sliding Roof Drive Gear Sub-assembly (Sliding Roof ECU))

(a) Disconnect the S10 sliding roof drive gear sub-assembly (sliding roof ECU) connector.

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

Standard Voltage:

Tester Connection

Switch Condition

Specified Condition

S10-8 (B) - Body ground

Always

11 to 14 V

S10-1 (IG) - Body ground

Ignition switch off

Below 1 V

S10-1 (IG) - Body ground

Ignition switch ON

11 to 14 V

Standard Resistance

Tester Connection

Condition

Specified Condition

S10-12 (E) - Body ground

Always

Below 1 Ω


OK

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


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

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