Toyota 4Runner: Problem Symptoms Table

Toyota 4Runner Service Manual / Vehicle Exterior / Sliding Roof / Convertible / Sliding Roof System / Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

HINT:

Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.

Inspect the fuses and relays related to this system before inspecting the suspected areas below.

Sliding Roof System

Symptom	Suspected Area	See page
Sliding function and tilt function do not operate	Refer to "Sliding Roof ECU Power Source Circuit"
Sliding function and tilt function do not operate	Refer to "Sliding Roof Control Switch Circuit"
Either sliding function or tilt function does not operate	Refer to "Sliding Roof Control Switch Circuit"
Key-off operation does not operate	Front door courtesy light switch assembly LH
	Main body ECU (multiplex network body ECU)
	Sliding roof drive gear sub-assembly (sliding roof ECU)
Wireless transmitter-linked operation does not operate	Refer to "Wireless Door Lock Control System (w/o Smart Key System)"
	Refer to "Wireless Door Lock Control System (w/ Smart Key System)"
	Refer to "Power Window Control System"
	Sliding roof drive gear sub-assembly (sliding roof ECU)
Key-linked operation does not operate	Refer to "Power Door Lock Control System"
	Refer to "Power Window Control System"
	Sliding roof drive gear sub-assembly (sliding roof ECU)
Jam protection function does not operate	Glass position initialization
Jam protection function does not operate	Sliding roof drive gear sub-assembly (sliding roof ECU)

Initialization

INITIALIZATION 1. INITIALIZE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY NOTICE: Before starting this operation, make sure that the guide rails are not deformed and there is no foreign object ...

Terminals Of Ecu

TERMINALS OF ECU 1. CHECK SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF ECU) (a) Disconnect the S10 sliding roof drive gear sub-assembly connector. (b) Measure the resistance and voltage acc ...

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Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" ...