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NO.4 DIESEL PARTICULATE FILTER LAMP FLASHES [MZR-CD (RF Turbo)]

id0103f1820200

4 | DIESEL PARTICULATE FILTER LAMP FLASHES
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DESCRIPTION | • Diesel particulate filter lamp flashes because the diesel particulate filter system can not dispose of diesel particulate
POSSIBLE CAUSE | • Driving condition is not in diesel particulate filter regeneration condition • Diesel particulate filter is not regenerated by manual regeneration procedure • Diesel particulate filter damaged or deterioration • Erratic signal input to PCM - Exhaust gas pressure sensor signal • PCM does not realize the diesel particulate trap amount in diesel particulate filter

Diagnostic Procedure

STEP | INSPECTION | RESULTS | ACTION
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1 | Connect the WDS or equivalent to the DLC-2. Turn the engine switch to the ON position. Retrieve any DTCs. Are any DTCs displayed? | Yes | DTC P242F, P252F, P253F or P2458 is displayed: Go to the next step. Other DTC is displayed: Go to the appropriate DTC test. (See DTC TABLE [MZR-CD (RF Turbo)].) Communication error message is displayed: Inspect the following: • Open circuit between PCM control relay and PCM terminal 119 or 120 • Open circuit PCM control relay and PCM terminal 105 • PCM control relay stuck open • Open or poor ground circuit (PCM terminal 1, 2, 3, 114 or 117) • Poor connection to vehicle body ground
No | No DTC is displayed: Go to the next step.
2 | Inspect the engine oil amount. Is the engine oil amount above the X line on dipstick? | Yes | Replace the specified engine oil. (See ENGINE OIL REPLACEMENT [MZR-CD (RF Turbo)].) Perform the engine oil initialize procedure.
No | Go to the next step.
3 | Monitor the PM_ACC, PM_GEN and PM_ACC_DSD PIDs using the WDS or equivalent. Are monitored values 8 g/L or less? | Yes | Go to Step 12.
No | If each PIDs value are 11 g/L or less; Go to the next step. If each PIDs value are above 11 g/L; Go to Step 5.
4 | Perform the following; • Injection amount correction • Diesel particulate filter manual regeneration procedure Retrieve any DTCs. Is DTC P2428 detected? | Yes | Go to DTC P2428 diagnostic procedure. (See DTC TABLE [MZR-CD (RF Turbo)].)
No | Go to Step 12.
5 | Monitor the PM_ACC, PM_GEN and PM_ACC_DSD PIDs using the WDS or equivalent. Is one of the PID monitored value 15 g/L or less? | Yes | Go to the next step.
No | Replace the diesel particulate filter, then go to Step 10. (See EXHAUST SYSTEM REMOVAL/INSTALLATION [MZR-CD (RF Turbo)].)
6 | Perform the following; • Injection amount correction • Diesel particulate filter manual regeneration procedure (long mode) | - | Go to the next step.
7 | Verify that the diesel particulate filter lamp condition. Does the diesel particulate filter lamp illuminate? | Yes | Go to the next step.
No | Go to Step 12.
8 | Perform diesel particulate filter manual regeneration procedure. | - | Go to the next step.
9 | Retrieve any DTCs. Is DTC P2428 detected? | Yes | Go to DTC P2428 diagnostic procedure. (See DTC TABLE [MZR-CD (RF Turbo)].)
No | Go to Step 12.
10 | Perform the following; 1. Diesel particulate filter data reset 2. KOEO self-test 3. Diesel particulate filter reset 4. Injection amount correction 5. Diesel particulate filter manual regeneration procedure | - | Go to the next step.
11 | Retrieve any DTCs. Is DTC P2428 detected? | Yes | Go to DTC P2428 diagnostic procedure. (See DTC TABLE [MZR-CD (RF Turbo)].)
No | Go to the next step.
12 | Perform diesel particulate filter assessment procedure. Does diesel particulate filter assessment procedure operate properly? | Yes | Go to the next step.
No | Reinspect from step 1.
13 | Clear the DTC from PCM memory. Verify the diesel particulate filter lamp condition. Does the diesel particulate filter lamp illuminate? | Yes | Go to step 1.
No | Troubleshooting completed, go to the next step.
14 | Verify test results. • If normal, return to the diagnostic index to service any additional symptoms. (See SYMPTOM DIAGNOSTIC INDEX [MZR-CD (RF Turbo)].) • If the malfunction remains, inspect the related Service Information and perform repair or diagnosis. - If the vehicle is repaired, troubleshooting completed. - If the vehicle is not repaired or additional diagnostic information is not available, reprogram the PCM if later calibration is available. Retest.