Pattern Select Switch Power Mode Circuit: Procedure

INSPECT NO. 1 PATTERN SELECT SWITCH ASSEMBLY (PWR)

Remove the No. 1 pattern select switch assembly. Refer to REMOVAL [01/2012 - ] .

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

Standard Resistance

Tester Connection	Switch Condition	Specified Condition
4 (P) - 3 (E)	Pattern select switch (PWR) on	Below 1 Ω
4 (P) - 3 (E)	Pattern select switch (PWR) off	10 kΩ or higher

NG → See step 5

OK: Go to next step

CHECK HARNESS AND CONNECTOR (NO. 1 PATTERN SELECT SWITCH ASSEMBLY - BODY GROUND)

Disconnect the V5 No. 1 pattern select switch assembly connector.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

Standard Resistance

Tester Connection	Condition	Specified Condition
V5-3 (E) - Body ground	Always	Below 1 Ω

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go to next step

CHECK HARNESS AND CONNECTOR (NO. 1 PATTERN SELECT SWITCH ASSEMBLY - ECM)

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

Standard Resistance

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

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR

OK → See step 4

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to PROBLEM SYMPTOMS TABLE [01/2012 - ]
REPLACE NO. 1 PATTERN SELECT SWITCH ASSEMBLY. Refer to REMOVAL [01/2012 - ]