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 > Can Communication System: Check Bus 2 Lines for Short Circuit
DESCRIPTION There may be a short circuit between the CAN main bus lines when the resistance between terminals 18 (CA4H) and 17 (CA4L) of the central gateway ECU (network gateway ECU) is below 54 Ω. Symptom Trouble Area Resistance between terminals 18 (CA4H) and 17 (CA4L) of the central gateway ECU ...