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

On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. INSPECT IG1 NO. 3 RELAY

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

Standard Resistance:

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

If the result is not as specified, replace the IG1 No. 3 Relay.

*a	Component without harness connected (IG1 No. 3 Relay)

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Pre-collision System(for Hv Model): Stop Light Relay Circuit (C1A4B)
DESCRIPTION The skid control ECU (brake booster with master cylinder assembly) sends a stop light operation request signal to the stop light relay (stop light switch assembly). If the skid control ECU (brake booster with master cylinder assembly) detects a malfunction in the stop light relay (stop l ...

Toyota Avalon (XX50) 2019-2022 Owners Manual