On-vehicle Inspection ON-VEHICLE INSPECTION PROCEDURE 1. REMOVE INTEGRATION RELAY
2. INSPECT INTEGRATION RELAY (A/F) NOTICE:
(a) Measure the resistance of the A/F fuse. (1) Measure the resistance according to the value(s) in the table below. Standard Resistance:
If the result is not as specified, replace the A/F fuse.
3. INSTALL INTEGRATION RELAY
|
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 ...