Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Relay

On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. INSPECT IGCT RELAY (IGCT)

(a) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
3 - 5	Auxiliary battery voltage not applied between terminals 1 and 2	10 kΩ or higher
3 - 5	Auxiliary battery voltage applied between terminals 1 and 2	Below 1 Ω

If the result is not as specified, replace the IGCT relay (IGCT).

*1	IGCT Relay (IGCT)

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Safety Connect System(for Hv Model): Manual (SOS) Switch Green Indicator Malfunction (B1571)
DESCRIPTION This DTC is set when the DCM (Telematics Transceiver) detects an open or short in the manual (SOS) switch green indicator circuit of the manual (SOS) switch. The manual (SOS) switch green indicator illuminates after the power switch is turned on (IG). If the safety connect system is not ...

Toyota Avalon (XX50) 2019-2022 Owners Manual