NO.6 MASTER WARNING LIGHT ILLUMINATES [SKYACTIV-D 2.2]

id0103g1897300

6

MASTER WARNING LIGHT ILLUMINATES

DESCRIPTION

•  Master warning light illuminates incorrectly.

POSSIBLE CAUSE

•  PCM DTC is stored.

―  Brake switch malfunction

―  Engine oil solenoid valve malfunction

―  Power supply system malfunction

―  Current sensor malfunction

•  Blow-by heater relay malfunction

•  Blow-by heater malfunction

•  Timing chain malfunction

•  Instrument cluster malfunction

6	MASTER WARNING LIGHT ILLUMINATES
DESCRIPTION	• Master warning light illuminates incorrectly.
POSSIBLE CAUSE	• PCM DTC is stored. ― Brake switch malfunction ― Engine oil solenoid valve malfunction ― Power supply system malfunction ― Current sensor malfunction • Blow-by heater relay malfunction • Blow-by heater malfunction • Timing chain malfunction • Instrument cluster malfunction

Diagnostic Procedure

STEP

INSPECTION

RESULTS

ACTION

1

VERIFY PCM DTC

•  Retrieve PCM DTCs using the M-MDS.
(See ON-BOARD DIAGNOSTIC TEST [SKYACTIV-D 2.2].)

•  Are any DTCs present?

Yes

Go to the applicable DTC inspection.

(See DTC TABLE [SKYACTIV-D 2.2].)

No

Go to the next step.

2

INSPECT INSTRUMENT CLUSTER

•  Inspect the instrument cluster.
(See INSTRUMENT CLUSTER INSPECTION.)

•  Is the instrument cluster normal?

Yes

Go to the next step.

No

Replace the instrument cluster, then go to the next step.

(See INSTRUMENT CLUSTER REMOVAL/INSTALLATION.)

3

Verify the test results.

•  If normal, return to the diagnostic index to service any additional symptoms.
(See SYMPTOM DIAGNOSTIC INDEX [SKYACTIV-D 2.2].)

•  If a malfunction remains, inspect the related Service Information and perform the repair or diagnosis.

―  If the vehicle is repaired, troubleshooting is completed.

―  If the vehicle is not repaired or additional diagnostic information is not available, replace the PCM.
(See PCM REMOVAL/INSTALLATION [SKYACTIV-D 2.2].)

STEP	INSPECTION	RESULTS	ACTION
1	VERIFY PCM DTC • Retrieve PCM DTCs using the M-MDS. (See ON-BOARD DIAGNOSTIC TEST [SKYACTIV-D 2.2].) • Are any DTCs present?	Yes	Go to the applicable DTC inspection. (See DTC TABLE [SKYACTIV-D 2.2].)
1		No	Go to the next step.
2	INSPECT INSTRUMENT CLUSTER • Inspect the instrument cluster. (See INSTRUMENT CLUSTER INSPECTION.) • Is the instrument cluster normal?	Yes	Go to the next step.
2		No	Replace the instrument cluster, then go to the next step. (See INSTRUMENT CLUSTER REMOVAL/INSTALLATION.)
3	Verify the test results. • If normal, return to the diagnostic index to service any additional symptoms. (See SYMPTOM DIAGNOSTIC INDEX [SKYACTIV-D 2.2].) • If a malfunction remains, inspect the related Service Information and perform the repair or diagnosis. ― If the vehicle is repaired, troubleshooting is completed. ― If the vehicle is not repaired or additional diagnostic information is not available, replace the PCM. (See PCM REMOVAL/INSTALLATION [SKYACTIV-D 2.2].)