Inspection Procedure
WARNING: This page is about a different car, the 2009 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - STEREO JACK ADAPTER)
- Disconnect the navigation receiver assembly connector.
- Disconnect the stereo jack adapter connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
RESISTANCE REFERENCETester Connection Condition Specified Condition E89-4 (AUXO) - E26-19 (AUXI) Always Below 1 Ω E89-3 (ASGN) - E26-16 (ASGN) Always Below 1 Ω E89-2 (ARO) - E26-15 (ARI) Always Below 1 Ω E89-1 (ALO) - E26-17 (ALI) Always Below 1 Ω E89-4 (AUXO) - Body ground Always 10 kΩ or higher E89-3 (ASGN) - Body ground Always 10 kΩ or higher E89-2 (ARO) - Body ground Always 10 kΩ or higher E89-1 (ALO) - Body ground Always 10 kΩ or higher NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
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OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE (See PROBLEM SYMPTOMS TABLE )