Pattern Select Switch Circuit: Procedure
- CHECK HARNESS AND CONNECTOR (PATTERN SELECT SWITCH ASSEMBLY - BODY GROUND)
- Disconnect the connector of pattern select switch. Refer to REMOVAL .
- Measure the resistance according to the value(s) in the table below.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Standard Resistance
Tester Connection Condition Specified Condition J36-1 (E) - Body ground Always Below 1 Ω
NG → REPAIR OR REPLACE HARNESS OR CONNECTOR
OK: Go to next step
- INSPECT PATTERN SELECT SWITCH ASSEMBLY
- Measure the resistance according to the value(s) in the table below.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Standard Resistance
Tester Connection Condition Specified Condition 1 (E) - 6 (P) Press continuously pattern select switch
(SPORT)Below 1 Ω Release pattern select switch
(SPORT)10 kΩ or higher 1 (E) - 3 (2ND) Press continuously pattern select switch
(SNOW)Below 1 Ω Release pattern select switch
(SNOW)10 kΩ or higher
NG → See step 5
OK: Go to next step
- Measure the resistance according to the value(s) in the table below.
- CHECK HARNESS AND CONNECTOR (PATTERN SELECT SWITCH ASSEMBLY - MAIN BODY ECU)
- Connect the connector of pattern select switch.
- Disconnect the cowl side junction block (main body ECU RH) connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition J75-18 (PWR) - Body ground Press continuously pattern select switch
(SPORT)Below 1 Ω Release pattern select switch
(SPORT)10 kΩ or higher J75-17 (SNOW) - Body ground Press continuously pattern select switch
(SNOW)Below 1 Ω Release pattern select switch
(SNOW)10 kΩ or higher
NG → REPAIR OR REPLACE HARNESS OR CONNECTOR
OK → See step 4
- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to PROBLEM SYMPTOMS TABLE
- REPLACE PATTERN SELECT SWITCH ASSEMBLY. Refer to REMOVAL