1 CHECK AMBIENT SENSOR POWER SUPPLY.
- Disconnect the ambient sensor connector.
- Turn the ignition switch to ON.
- Measure the voltage between the ambient sensor connector and chassis ground.
Connector & terminal
(B480) No. 2 (+) - Chassis ground (-):
|
Is the voltage 4 V or more? |
Go to step 2. |
Check the harness for open or short between the fuse and multi display. |
2 CHECK HARNESS BETWEEN AMBIENT SENSOR AND COMBINATION METER.
- Disconnect the combination meter connector.
- Measure the resistance between the ambient sensor connector and the combination meter connector.
Connector & terminal
(B480) No. 1 - (i10) No. 37:
(B480) No. 2 - (i10) No. 36:
|
Is the resistance less than 10 Ω? |
Go to step 3. |
Repair or replace the harness. |
3 CHECK AMBIENT SENSOR.
- Remove the ambient sensor. Refer to REMOVAL
.
- Check the ambient sensor. Refer to AMBIENT SENSOR
.
|
Is the ambient sensor operating properly? |
Go to step 4. |
Replace the ambient sensor. |
4 CHECK AMBIENT TEMPERATURE DISPLAY.
- Connect the combination meter connector.
- Install the 3 Ω resistance to ambient sensor connector terminal.
- Turn the ignition switch to ON.
Connector & terminal
(B480) No. 1 - No. 2:
|
Does the ambient temperature display 25°C (77°F)? |
Repair the poor contact between the ambient sensor and harness connector. |
Go to step 5. |
5 CHECK AMBIENT TEMPERATURE OUTPUT DATA.
- Prepare the Subaru Select Monitor kit.
- Turn the ignition switch to ON (engine OFF) and run the "PC application for Subaru Select Monitor".
- On << System Selection Menu >> display, select {Integ. unit mode}.
- Select {Ambient Temperature}.
|
Does the ambient temperature display 25°C (77°F)? |
Go to step 6. |
Replace the meter case assembly. Refer to
, COMBINATION METER . |
6 CHECK MULTI DISPLAY.
- Remove the multi display.
- Attach the ambient temperature display to another vehicle on which the ambient temperature display operates normally to check its operation.
|
Does the ambient temperature display 25°C (77°F)? |
Replace the multi display. |
Replace the meter case assembly. Refer to
, COMBINATION METER . |