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

INSPECTION

PROCEDURE

1. INSPECT STEERING HEATER SWITCH

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

Standard Resistance:

Tester Connection	Condition	Specified Condition
5 (IG) - 2 (B)	Steering heater switch is pushed	Below 1 Ω
5 (IG) - 2 (B)	Steering heater switch is not pushed	10 kΩ or higher

If the result is not as specified, replace the steering heater switch.

*a	Component without harness connected (Steering Heater Switch)

(b) Indicator Inspection

(1) Apply battery voltage to the steering heater switch and check that the indicator illuminates.

OK:

Condition

Specified Condition

Battery positive (+) → Terminal 2 (B)

Battery negative (-) → Terminal 4 (E)

Illuminates

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Sfi System: Fuel Pump Control Circuit Current Out of Range (P12D41D)
DESCRIPTION Refer to DTC P062712. Click here DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory Note P12D41D Fuel Pump Control Circuit Current Out of Range When the fuel pump control ECU operation duty ratio is 3 to 65%, overcurrent in the fuel pump circuit is detected for 3 seco ...

Toyota Avalon (XX50) 2019-2022 Owners Manual