WIRING DIAGRAM ![]() PROCEDURE
(b) Using an oscilloscope, check the signal waveform of the combination meter assembly. Measurement Condition
OK: Refer to the illustration. HINT: As the vehicle speed increases, the wave length shortens. Text in Illustration
(a) Disconnect the J35 clearance warning ECU assembly connector. (b) Disconnect the J28 combination meter assembly connector. (c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
Toyota Tundra Service Manual > Meter / Gauge System: Last Communication With Navigation ECU (U0163)
DESCRIPTION The combination meter assembly communicates with the navigation receiver assembly via the CAN line. DTC Code DTC Detection Condition Trouble Area U0163 When either of following conditions is detected: IG voltage 10.5 V or more No communication with navigation receiver assembly continues ...