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Pattern Select Switch Circuit






TX6A AUTOMATIC TRANSMISSION / TRANSAXLE: AUTOMATIC TRANSMISSION SYSTEM: Pattern Select Switch Circuit; 2013 MY FR-S [03/2012 -]
- Pattern Select Switch Circuit

DESCRIPTION

A signal from the pattern select switch assembly input into the TCM enables switching of the mode.

WIRING DIAGRAM





HINT
(*) Pattern Select Switch Assembly (ECT SNOW Switch)

When the ECT SNOW switch is pushed, the switch contact is made and the ECT SNOW mode is selected.

To cancel the ECT SNOW mode, push the ECT SNOW switch once again.

The ECT SNOW mode is automatically cancelled out when the ignition switch is turned "off".

INSPECTION PROCEDURE

PROCEDURE

1. READ VALUE USING TECHSTREAM

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Read the value displayed on the Techstream.

OK





NG -- INSPECT PATTERN SELECT SWITCH ASSEMBLY
OK -- Continue to next step.

2. READ VALUE USING TECHSTREAM

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Read the value displayed on the Techstream.

OK





NG -- INSPECT PATTERN SELECT SWITCH ASSEMBLY

OK -- GO TO PROBLEM SYMPTOMS TABLE Symptom Related Diagnostic Procedures

3. INSPECT PATTERN SELECT SWITCH ASSEMBLY

(a) Perform inspection of the pattern select switch assembly Testing and Inspection.

NG -- REPLACE PATTERN SELECT SWITCH ASSEMBLY Removal
OK -- Continue to next step.

4. CHECK HARNESS AND CONNECTOR (PATTERN SELECT SWITCH ASSEMBLY - TCM - BODY GROUND)

(a) Disconnect the TCM connector.

(b) Disconnect the pattern select switch assembly connector.

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

Standard resistance:





(d) Connect the TCM connector.

(e) Connect the pattern select switch assembly connector.

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

5. REPLACE TCM

(a) Replace the TCM Removal.

NEXT -- PERFORM THE RESET MEMORY Programming and Relearning

6. INSPECT PATTERN SELECT SWITCH ASSEMBLY

(a) Perform inspection of the pattern select switch assembly Testing and Inspection.

NG -- REPLACE PATTERN SELECT SWITCH ASSEMBLY Removal
OK -- Continue to next step.

7. CHECK HARNESS AND CONNECTOR (PATTERN SELECT SWITCH ASSEMBLY - TCM - BODY GROUND)

(a) Disconnect the TCM connector.

(b) Disconnect the pattern select switch assembly connector.

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

Standard resistance:





(d) Connect the TCM connector.

(e) Connect the pattern select switch assembly connector.

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

8. REPLACE TCM

(a) Replace the TCM Removal.

NEXT -- PERFORM THE RESET MEMORY Programming and Relearning