Component Location
General Description

Auto Learning

AL(Auto Learning) starts every time, the vehicle was parked long enough to change or permute wheels(19min), and i straveling again at a speed that ensures that the WE sensors are transmitting. AL is automatically considering all WE identifiers received and extracts, based on statistical evaluation, IDs belonging to the WEs mounted on the vehicle. If new IDs are detected their recurrence will be tracked by AL. When AL is in progress, tire pressure monitoring is running in parallel with the old set of identifiers known from the last run of AL.

DTC Description

This DTC indicates that A failure of Auto-learning happens when less than WE sensors were learned.

DTC Detecting Condition

Item

Detecting Condition

Possible cause

DTC strategy

● Check pulse

● Faulty LFI

● Faulty WE sensor

Enable conditions

● On start of driving after parking for more than 19min.

Threshold value

● Auto learning failed and at least one WE sensor is missing.

Mil On conditon

● Active DTC is set

Monitor Scantool Data
1.

Park the vehicle on a level surface.

2.

Set up 'GDS' with 'GDS TPMS'.

3.

Select the "TPMS" system.

4.

Execute "DTC Analysis" mode.

5.

Check the present DTC.

6.

Are there any DTC's except for 'C1662'?

▶ Do all repairs associated with detected DTC's.

▶ Fault is intermittent. It has been repaired and TPMS receiver module memory is not cleared yet.

▶ Go to "Verification of vehicle Repair" procedure.

Verification of Vehicle Repair

After a repair, it is essential to verify that the fault has been corrected.

1.

Connect TPMS exciter or scantool and select "Diagnostic Trouble Codes(DTCs)" mode

2.

Using a TPMS exciter or scantool, Clear DTC.

3.

Operate the vehicle within DTC Enable conditions in General information.

4.

Are any DTCs present ?

▶ Go to the applicable troubleshooting procedure.

▶ System performing to specification at this time.

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