Smart Access System With Push-Button Start (for Start Function)

THEFT DETERRENT / KEYLESS ENTRY: SMART ACCESS SYSTEM WITH PUSH-BUTTON START (for Start Function): HOW TO PROCEED WITH TROUBLESHOOTING

HINT
* Use these procedures to troubleshoot the push-button start function.
* *: Use the Techstream.

1. VEHICLE BROUGHT TO WORKSHOP

NEXT -- Continue to next step.

2. INSPECT BATTERY VOLTAGE

Standard voltage:

11 to 14 V

If the voltage is below 11 V, recharge or replace the battery before proceeding.

NEXT -- Continue to next step.

3. INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

(a) Using the Techstream, check if the CAN communication system is functioning normally Diagnosis System.

Result





B -- GO TO CAN COMMUNICATION SYSTEM (DIAGNOSTIC TROUBLE CODE CHART) CAN Communication System
A -- Continue to next step.

4. CHECK FOR DTC*

(a) Check for DTCs and note any output DTCs Smart Access System With Push-Button Start (for Start Function).

(b) Clear the DTCs.

(c) Check whether the same DTC(s) relevant to the SFI system or smart access system with push-button start recurs by reproducing the symptoms indicated by the noted DTC(s) in the first step above.

Result





B -- GO TO SFI SYSTEM (DIAGNOSTIC TROUBLE CODE CHART) SFI System

C -- GO TO STEP 7
A -- Continue to next step.

5. PROBLEM SYMPTOMS TABLE

Result





B -- GO TO STEP 7
A -- Continue to next step.

6. OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Terminals of ECU Smart Access System With Push-Button Start (for Start Function)

(b) Data List / Active Test Smart Access System With Push-Button Start (for Start Function)

NEXT -- Continue to next step.

7. ADJUST, REPAIR OR REPLACE

NEXT -- Continue to next step.

8. CONFIRMATION TEST

NEXT -- END