Toyota Corolla Cross: Inspection

Toyota Corolla Cross (2022-2024) Service Manual / Vehicle Interior / Seat / Power Seat Switch / Inspection

INSPECTION

PROCEDURE

1. INSPECT FRONT POWER SEAT SWITCH

(a) Check the resistance.

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

Standard Resistance:

Slide Switch

Tester Connection	Condition	Specified Condition
q7-4 - q7-6	Slide switch pressed (Forward)	Below 1 Ω
q7-1 - q7-12	Slide switch pressed (Forward)
q7-4 - q7-12	Off
q7-1 - q7-12	Off
q7-1 - q7-6	Slide switch pressed (Rearward)
q7-4 - q7-12	Slide switch pressed (Rearward)

Front Vertical Switch

Tester Connection	Condition	Specified Condition
q7-7 - q7-6	Front vertical switch pressed (Up)	Below 1 Ω
q7-11 - q7-12	Front vertical switch pressed (Up)
q7-7 - q7-12	Off
q7-11 - q7-12	Off
q7-11 - q7-6	Front vertical switch pressed (Down)
q7-7 - q7-12	Front vertical switch pressed (Down)

Lifter Switch

Tester Connection	Condition	Specified Condition
q7-8 - q7-6	Lifter switch pressed (Up)	Below 1 Ω
q7-10 - q7-12	Lifter switch pressed (Up)
q7-10 - q7-12	Off
q7-8 - q7-12	Off
q7-10 - q7-6	Lifter switch pressed (Down)
q7-8 - q7-12	Lifter switch pressed (Down)

Reclining Switch

Tester Connection	Condition	Specified Condition
q7-5 - q7-6	Reclining switch pressed (Forward)	Below 1 Ω
q7-11 - q7-6
q7-7 - q7-6
q7-3 - q7-12
q7-5 - q7-12	Off
q7-3 - q7-12	Off
q7-3 - q7-6	Reclining switch pressed (Rearward)
q7-5 - q7-12
q7-10 - q7-6
q7-8 - q7-6

Lumbar Support Switch

Tester Connection	Condition	Specified Condition
q7-9 - q7-6	Lumbar switch pressed (Hold)	Below 1 Ω
q7-2 - q7-12	Lumbar switch pressed (Hold)
q7-2 - q7-12	Off
q7-9 - q7-12	Off
q7-2 - q7-6	Lumbar switch pressed (Release)
q7-9 - q7-12	Lumbar switch pressed (Release)

If the result is not as specified, replace the front power seat switch.

*a	Slide Switch (Front)
*b	Slide Switch (Rear)
*c	Front Vertical Switch (Up)
*d	Front Vertical Switch (Down)
*e	Lifter Switch (Up)
*f	Lifter Switch (Down)
*g	Reclining Switch (Front)
*h	Reclining Switch (Rear)
*i	Lumbar Support Switch (Hold)
*j	Lumbar Support Switch (Release)
*k	Component without harness connected (Front Power Seat Switch)

SEE MORE:

ID-BOX Component Internal Failure (B278D96)

DESCRIPTION When the certification ECU (smart key ECU assembly) detects an input signal indicating that the vehicle is equipped with an ID code box even though the ID code box is not registered, the certification ECU (smart key ECU assembly) stores this DTC. DTC No. Detection Item DTC D

Deterioration of Battery Low Capacity (P160200)

DESCRIPTION The ECM determines the battery status according to the voltage of the BATT terminal while the engine is running (not cranking). DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate

Toyota Corolla Cross: Inspection

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Installation

Rear Seat Assembly

Removal

SEE MORE:

ID-BOX Component Internal Failure (B278D96)

Deterioration of Battery Low Capacity (P160200)