INSPECTION PROCEDURE 1. INSPECT FRONT NO. 2 SPEAKER ASSEMBLY (a) When there is a malfunction such as noise from a speaker or no sound at all, replace the speaker with a new one and check that the malfunction disappears. OK: Malfunction disappears. HINT:
2. INSPECT FRONT NO. 4 SPEAKER ASSEMBLY (for 7 Speakers) (a) Temporarily replace the front No. 4 speaker assembly with a new or normally functioning one. OK: Malfunction disappears. HINT: Connect the connectors to the front No. 4 speaker assembly. |
Toyota Tundra Service Manual > Navigation System: Operation Check
OPERATION CHECK 1. CHECK NAVIGATION SYSTEM NORMAL CONDITION (a) If the cause of a symptom is any of the following, the corresponding symptom is normal; it is not a malfunction. Symptom Answer A longer route than expected is chosen. Depending on the road conditions, the navigation receiver assembly m ...