How To Troubleshoot

WARNING: This page is about a different car, the 2014 Subaru BRZ. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

Using the following procedures, perform the key warning system troubleshooting.
*: Use the SSM3.

Bring in the car
Next
Check battery voltage
1. Inspect the battery voltage.
  Standard voltage: 11 to 14 V
  
  NOTE: If the voltage is 11 V or less, charge or replace the battery before proceeding to a next step.
  
  Next

CAN communication system check

Check CAN communication system. (Refer to HOW TO TROUBLESHOOT )

RESULT

Result	Go to
Functioning properly	A
Not functioning properly	B

B: Go to "CAN communication system (How to troubleshoot)" (Refer to HOW TO TROUBLESHOOT ).

A: Go to Next Step

Symptom table

RESULT

Result	Go to
No trouble is indicated in check list for interview	A
A trouble is indicated in check list for interview	B

B: Go to Step 6.

A: Go to Next Step

General analysis and troubleshooting *
1. ECM terminals (Refer to ECM TERMINAL ARRANGEMENT )
2. [Current Data Display & Save] / [System Operation Check mode] (Refer to CURRENT DATA DISPLAY & SAVE / SYSTEM OPERATION CHECK MODE )
  Next
Repair or replace
Next
Confirmation test
Next: Complete