ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT COOLER CONDENSER ASSEMBLY (a) If the fins of the cooler condenser are dirty, clean them with water. Dry the fins with compressed air. NOTICE: Do not damage the fins of the condenser. (b) If a fin of the cooler condenser is bent, straighten it using a screwdriver or pliers. 2. CHECK CONDENSER FOR LEAKAGE OF REFRIGERANT (a) Using a halogen leak detector, check the pipe joints for gas leakage. (b) If gas leakage is detected in a joint, check the torque of the joint. |
Toyota Tundra Service Manual > Meter / Gauge System: Lost Communication with ECM / PCM "A" (U0100)
DESCRIPTION The combination meter communicates with the ECM via the CAN line. DTC Code DTC Detection Condition Trouble Area U0100 When either of following conditions is detected: Vehicle speed 5 km/h (3 mph) or more and IG voltage 10.5 V or more No communication with ECM continues for 3 seconds or m ...