Inspection Procedure

When the pattern select (PWR) switch is pushed, switch contact is made and power mode is selected. To cancel power mode, push the pattern select (PWR) switch once again.

INSPECT PATTERN SELECT (PWR) SWITCH

Remove the suspension control switch (See REMOVAL ).

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

Standard Resistance

RESISTANCE SPECIFICATION

Tester Connection	Switch Condition	Specified Condition
16 (P) - 20 (E)	Pattern select (PWR) switch on	Below 1 Ω
16 (P) - 20 (E)	Pattern select (PWR) switch off	10 kΩ or higher

NG: REPLACE PATTERN SELECT (PWR) SWITCH (SUSPENSION CONTROL SWITCH) (See REMOVAL )

Fig 1: Identifying Suspension Control Switch Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: Go To Next Step

CHECK HARNESS AND CONNECTOR (PATTERN SELECT (PWR) SWITCH - BODY GROUND)

Disconnect the V4 suspension control switch connector.

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

Standard Resistance

RESISTANCE SPECIFICATION

Tester Connection	Condition	Specified Condition
V4-20 (E) - Body ground	Always	Below 1 Ω

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

Fig 2: Identifying V4 Suspension Control Switch Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: Go To Next Step

CHECK HARNESS AND CONNECTOR (PATTERN SELECT (PWR) SWITCH - ECM)

Disconnect the A38 ECM connector.

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

Standard Resistance

RESISTANCE SPECIFICATION

Tester Connection	Switch Condition	Specified Condition
A38-51 (PWR) - Body ground	Pattern select (PWR) switch on	Below 1 Ω
A38-51 (PWR) - Body ground	Pattern select (PWR) switch off	10 kΩ or higher

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

Fig 3: Identifying A38 ECM Connector Terminals

OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE (See PROBLEM SYMPTOMS TABLE )