Inspection Procedure

WARNING: This page is about a different car, the 2004 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.

DISPLAY CHECK MODE (TOUCH SWITCH CHECK)
1. Perform display touch switch check of display check mode.
1. Start up the diagnosis system and perform display touch switch check of display check mode.
STANDARD: Touch switch is normal

NG: CHECK AND REPLACE RADIO RECEIVER ASSY

OK: Go To Next Step
CHECK SWITCH (BEEP SOUND)
1. Check the switch (Beep sound).
1. Press each touch switch on the navigation screen to check that the beep sounds are produced.
STANDARD: Beep sound is normal

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: CHECK AND REPLACE NAVIGATION ECU