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Wiper Switch: Testing and Inspection

Combination Switch (Wiper)

INSPECTION

1. COMBINATION SWITCH
1. Inspect the continuity between each connector terminal.






2. If continuity is not as specified, replace the switch.

2. FRONT WIPER
1. Check with Subaru Select Monitor
When the front wiper switch is operated, check the input signal using the Subaru Select Monitor.
1. Prepare the Subaru Select Monitor kit.
2. Turn the ignition switch to ON (engine OFF) and run the "PC application for Subaru Select Monitor".
3. On the <> display, select the {Integ. unit mode}.
4. Select the {Current Data Display & Save}.
5. Check the input signal when the front wiper switch is set to LO or HI.






2. Check the intermittent operation (inspection of the wiper switch alone)
1. Set the voltage meter between connector terminal No. 7 (+) and No. 2 (-).
2. Connect the battery to connector. (Terminal No. 17 - (+), terminal No. 2 & 16 - (-))
3. Turn the wiper switch to INT.
4. Connect the battery (+) to the terminal No. 16 for 5 seconds.
5. Connect the battery (-) to the terminal No. 16, and check the voltage between terminal No. 7 - No. 2 when performing the intermittent operation.
6. Perform step (1) to (5) above when intermittent control switch is in MIN or MAX, and replace the switch if the operation is not as specified.






3. REAR WIPER
1. Check with Subaru Select Monitor

Step 1-4:






2. Check rear wiper motor circuit

Step 1-6: