Sliding Roof ECU Power Source Circuit
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
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). - Inspect the fuses for circuits related to this system before performing the following inspection procedure.
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 | .gif) | REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF ECU) |
| NG | | REPAIR OR REPLACE HARNESS OR CONNECTOR |
Test yourself
A quick Toyota 4Runner quiz: every answer comes with an explanation and a link to the manual page.