Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: IG Power Source Circuit

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual / Steering / Steering Column / Power Tilt And Power Telescopic Steering Column System(for Gasoline Model) / IG Power Source Circuit

DESCRIPTION

When the engine switch is turned on (IG), the IG power source circuit supplies positive (+) voltage to the multiplex tilt and telescopic ECU.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

Inspect the fuses for circuits related to this system before performing the following procedure.

PROCEDURE

1.

CHECK HARNESS AND CONNECTOR (MULTIPLEX TILT AND TELESCOPIC ECU - BATTERY)

(a) Disconnect the G49 multiplex tilt and telescopic ECU connector.

*a

Front view of wire harness connector

(to Multiplex Tilt and Telescopic ECU)

(b) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Tester Connection

Condition

Specified Condition

G49-10 (IG) - Body ground

Engine switch on (IG)

11 to 14 V
NG

REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

2.

CHECK HARNESS AND CONNECTOR (MULTIPLEX TILT AND TELESCOPIC ECU - BODY GROUND)

(a) Disconnect the G49 multiplex tilt and telescopic ECU connector.

*a

Front view of wire harness connector

(to Multiplex Tilt and Telescopic ECU)

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

G49-1 (GND) - Body ground

Always

Below 1 Ω

G49-8 (GND2) - Body ground

Always

Below 1 Ω
OK

REPLACE MULTIPLEX TILT AND TELESCOPIC ECU

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR
    How To Proceed With Troubleshooting

    Parts Location

    See More:

    Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Thermostat: Installation
    INSTALLATION PROCEDURE 1. INSTALL WATER INLET WITH THERMOSTAT SUB-ASSEMBLY (a) Install a new gasket to the water inlet with thermostat sub-assembly. (b) Install the water inlet with thermostat sub-assembly with the 2 bolts and 2 nuts. Torque: 10 N·m {102 kgf·cm, 7 ft·lbf} 2. CONNECT WATER BY-PASS ...

    Toyota Avalon (XX50) 2019-2022 Owners Manual

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

    © 2024 Copyright www.tavalon.net
    0.0168