| 1. | Check for electronic aftermarket accessories (possibly hidden) mounted near the GPS antenna or the navigation unit. Are there any electronic accessories? YES - Disable the accessories and recheck.n NO - Go to 2. |
| 2. | Perform the ‘‘System Link'' check under System Diagnosis Test. Is ‘‘NG'' indicated for ANT or GPS? YES - Check for a kinked, crushed, or disconnected GPS antennd wire. If ‘‘NG'' is still indicated, replace the GPS antenna.n NO - Check that nothing is blocking the GPS antenna located under the package shelf and recheck. Substitude a known-good navigation unit, and recheck.n |