SUNROOF RELAY INSPECTION

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  Note
  • Sunroof relay is built in the sunroof motor.

1. Measure the voltage at the sunroof relay terminals as indicated below.

2. Disconnect the sunroof relay connector before inspecting for continuity at terminal 1G

  • If not as specified, inspect the parts listed under “Action” and the related wiring harnesses.
  • If the parts and wiring harnesses are okay but the system still does not work properly, replace the sunroof relay.

Terminal voltage list (Reference)

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Terminal | Signal | Connected to | Test condition | Voltage (V)/Continuity | Action
--- | --- | --- | --- | --- | ---
1A | Tilt down | Sunroof switch | Sunroof is tilting down. (Not including position when fully closed) | 0 | • Inspect sunroof switch (See SUNROOF SWITCH INSPECTION) • Inspect related harness
Other | B+
1B | IG2 | Sunroof motor | Ignition switch is at ON position. | B+ | • Inspect A/C 10 A fuse • Inspect sunroof switch (See SUNROOF SWITCH INSPECTION) • Inspect related harness
Other | 0
1C | — | — | — | — | —
1D | Slide close | Sunroof switch | Sunroof is closing. (Including position when fully closed and open) | 0 | • Inspect sunroof switch (See SUNROOF SWITCH INSPECTION) • Inspect related harness
Other | B+
1E | — | — | — | — | —
1F | Slide open | Sunroof switch | Sunroof is fully opening. | 0 | • Inspect sunroof switch (See SUNROOF SWITCH INSPECTION) • Inspect related harness
Other | B+
1G | Sunroof relay ground | GND | Under any condition: inspect for continuity to ground. | Yes | • Inspect related harness
1H | Tilt up | Sunroof switch | Sunroof is tilting up. (Including position when fully closed) | 0 | • Inspect sunroof switch (See SUNROOF SWITCH INSPECTION) • Inspect related harness
Other | B+
2A | Slide close/tilt up | Sunroof motor | Sunroof is opening/tilting down. | 0 | • Inspect sunroof switch (See SUNROOF SWITCH INSPECTION) • Inspect sunroof motor (See SUNROOF MOTOR INSPECTION) • Inspect related harness
Sunroof is closing/tilting up. | B+
Other | 0
2B | Slide open/tilt down | Sunroof motor | Sunroof is opening/tilting down. | B+ | • Inspect sunroof switch (See SUNROOF SWITCH INSPECTION) • Inspect sunroof motor (See SUNROOF MOTOR INSPECTION) • Inspect related harness
Sunroof is closing/tilting up. | 0
Other | 0