DESCRIPTION Power is supplied to the radio and display receiver assembly and steering pad switch assembly illumination when the light control switch is in the tail or head position. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE:
PROCEDURE
(a) Check if the illumination for the radio and display receiver assembly, steering pad switch assembly, heater control switch or others (hazard switch, transmission control switch, etc.) comes on when the light control switch is turned to the head or tail position.
(a) Disconnect the G17 spiral cable sub-assembly connector. (b) Measure the voltage according to the value(s) in the table below. Standard Voltage:
(a) Remove the steering pad switch assembly. Click here (b) Inspect the steering pad switch assembly. Click here
(a) Remove the spiral cable sub-assembly. Click here (b) Inspect the spiral cable sub-assembly. Click here
(a) Disconnect the G2 radio and display receiver assembly connector. (b) Measure the voltage according to the value(s) in the table below. Standard Voltage:
(a) Disconnect the G2 radio and display receiver assembly connector. (b) Disconnect the G16 combination meter assembly connector. (c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
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Toyota Avalon Service & Repair Manual > Can Communication System(for Gasoline Model): Check Bus 4 Lines for Short Circuit
DESCRIPTION There may be a short circuit between the CAN main bus lines and/or CAN branch lines when the resistance between terminals 22 (CA2H) and 7 (CA2L) of the central gateway ECU (network gateway ECU) is below 54 Ω. Symptom Trouble Area Resistance between terminals 22 (CA2H) and 7 (CA2L) of th ...