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Check Ignition Switch Circuit
WARNING: This page is about a different car, the 2012 Subaru Outback and 2012 Subaru Legacy. However, it is still accessible from the selected car via links, so may be relevant.
| Step |
Check |
Yes |
No |
1 CHECK IGNITION SWITCH VOLTAGE.
- 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 the {Current Data Display & Save}.
- Select the {BATT voltage} and {IG power supply voltage}.
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Does the {IG power supply voltage} indicates 0 V when ignition is OFF or a value in a range of ±1 V from the {BATT voltage} when ignition is ON. |
The ignition switch input circuit is OK. |
Go to step 2
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2 CHECK IGNITION SWITCH CIRCUIT.
- Turn the ignition switch to OFF.
- Disconnect the body integrated unit connector.
- Turn the ignition switch to ON.
- Measure the voltage between body integrated unit connector and chassis ground.
Connector & terminal
(i171) No. 17 (+) - Chassis ground (-):
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Is the voltage 10 V or more? |
Check body integrated unit. Refer to BASIC DIAGNOSTIC PROCEDURE
. |
Check the harness for open or short circuit between body integrated unit and fuse. |