1. Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.5].)
2. Remove the front map light. (See MAP LIGHT REMOVAL/INSTALLATION.)
3. Connect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.5].)
4. Measure the voltage at each terminal.
If the voltage is not as specified in the terminal voltage table, inspect the parts under Inspection item (s) and related wiring harnesses.
If the system does not work normally even though the inspection items or related wiring harnesses do not have any malfunction, replace the sunroof motor. (See SUNROOF MOTOR REMOVAL/INSTALLATION.)
| Terminal | Signal | Connected to | Test condition | Voltage (V) | Inspection item |
| A | Slide open | Sunroof switch | Sunroof is opening | B+ |
|
| Other | 1.0 or less |
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| B | Slide close/tilt down | Sunroof switch | Sunroof is closing / tilting down | B+ |
|
| Other | 1.0 or less |
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| C | Tilt up | Sunroof switch | Sunroof is tilting up | B+ |
|
| Other | 1.0 or less |
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| E | IG1 | C/U IG1 15A fuse | Switch the ignition ON (engine on or off) | B+ |
|
| Other | 1.0 or less |
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| F | Car speed signal | Instrument cluster | Because this terminal is for communication, integrity determination by terminal voltage is not possible |
|
|
| G | GND | GND | Under any condition | 1.0 or less |
|
| J | Power supply | SUNROOF 10A fuse | Under any condition | B+ |
|