ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT BRAKE FLUID LEVEL IN RESERVOIR Click here
2. INSPECT BRAKE BOOSTER ASSEMBLY Click here 3. INSPECT VACUUM WARNING SWITCH ASSEMBLY (a) Start the engine and stop it after 1 or 2 minutes. (b) Remove the battery. Click here (c) Disconnect the connector from the vacuum warning switch assembly. (d) Measure the resistance of the vacuum warning switch assembly. Standard Resistance: 10 kΩ or higher (e) With the engine stopped, depress the brake pedal several times to release vacuum from the brake booster assembly, and measure the resistance of the vacuum warning switch assembly. Standard Resistance: Below 1 Ω (f) Connect the connector to the vacuum warning switch assembly. (g) Install the battery. Click here |
Toyota Avalon Service & Repair Manual > Air Conditioning System(for Gasoline Model): Lost Communication With ECM/PCM "A" (U0100-U0142,U0151,U0155,U0163)
DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area Memory U0100 Lost Communication With ECM/PCM "A" No communication with ECM CAN communication system ECM Memorized U0131 Lost Communication With Power Steering Control Module No communication with power steering ECU (rack and pin ...
