NO.14 LACK/LOSS OF POWER-ACCELERATION/CRUISE [MZR-CD 2.2]

14	LACK/LOSS OF POWER-ACCELERATION/CRUISE
DESCRIPTION	• Performance is poor under load (e.g., power down when climbing hills).
POSSIBLE CAUSE	• Fuel injection amount control system operates with brake override system • Poor fuel quality • Low fuel level (PCM stores DTC P115A:00) • Air leakage from intake-air system • Intake-air system restriction or clogging • Engine overheating • A/C system improper operation • Improper operation of A/C cut-off control • Variable boost control (VBC) system malfunction • Guide blade actuator malfunction • Guide blade actuator position sensor malfunction • EGR system malfunction • Vacuum leakage • Clutch slippage • Exhaust system and/or oxidation catalytic converter restriction • Fuel line or clogging or restriction • Fuel filter clogging or restriction • Incorrect fuel injection timing • Erratic signal from CKP sensor • Erratic signal from CMP sensor • ECT sensor or related circuit malfunction • Boost sensor or related circuit malfunction • Accelerator pedal position (APP) sensor or related circuit malfunction • MAF/IAT sensor or related circuit malfunction • IAT sensor No.2 or related circuit malfunction • A/F sensor or related circuit malfunction • Incorrect idle speed • Inadequate fuel pressure • Fuel pressure sensor or related circuit malfunction • Suction control valve malfunction (built-in supply pump) • Fuel pressure limiter malfunction (built-in common rail) • Supply pump malfunction • Fuel injector malfunction • Low engine compression • Improper valve timing • Cooling fan seat is improper • Turbocharger malfunction • Charge air cooler malfunction • Brake system dragging • Intake shutter valve malfunction • Fuel injection learning improper Warning The following troubleshooting flow chart contains the fuel system diagnosis and repair procedures. Read the following warnings before performing the fuel system services: • Fuel vapor is hazardous. It can easily ignite, causing serious injury and damage. Always keep sparks and flames away from fuel. • Fuel line spills and leakage are dangerous. Fuel can ignite and cause serious injury or death and damage. Fuel can also irritate skin and eyes. To prevent this, always complete “BEFORE REPAIR PROCEDURE” and “AFTER REPAIR PROCEDURE” described in this manual. (See BEFORE SERVICE PRECAUTION [MZR-CD 2.2].) (See AFTER SERVICE PRECAUTION [MZR-CD 2.2].)

LACK/LOSS OF POWER-ACCELERATION/CRUISE

DESCRIPTION

• Performance is poor under load (e.g., power down when climbing hills).

POSSIBLE CAUSE

• Fuel injection amount control system operates with brake override system

• Poor fuel quality

• Low fuel level (PCM stores DTC P115A:00)

• Air leakage from intake-air system

• Intake-air system restriction or clogging

• Engine overheating

• A/C system improper operation

• Improper operation of A/C cut-off control

• Variable boost control (VBC) system malfunction

• Guide blade actuator malfunction

• Guide blade actuator position sensor malfunction

• EGR system malfunction

• Vacuum leakage

• Clutch slippage

• Exhaust system and/or oxidation catalytic converter restriction

• Fuel line or clogging or restriction

• Fuel filter clogging or restriction

• Incorrect fuel injection timing

• Erratic signal from CKP sensor

• Erratic signal from CMP sensor

• ECT sensor or related circuit malfunction

• Boost sensor or related circuit malfunction

• Accelerator pedal position (APP) sensor or related circuit malfunction

• MAF/IAT sensor or related circuit malfunction

• IAT sensor No.2 or related circuit malfunction

• A/F sensor or related circuit malfunction

• Incorrect idle speed

• Inadequate fuel pressure

• Fuel pressure sensor or related circuit malfunction

• Suction control valve malfunction (built-in supply pump)

• Fuel pressure limiter malfunction (built-in common rail)

• Supply pump malfunction

• Fuel injector malfunction

• Low engine compression

• Improper valve timing

• Cooling fan seat is improper

• Turbocharger malfunction

• Charge air cooler malfunction

• Brake system dragging

• Intake shutter valve malfunction

• Fuel injection learning improper

Warning

The following troubleshooting flow chart contains the fuel system diagnosis and repair procedures. Read the following warnings before performing the fuel system services:

• Fuel vapor is hazardous. It can easily ignite, causing serious injury and damage. Always keep sparks and flames away from fuel.

• Fuel line spills and leakage are dangerous. Fuel can ignite and cause serious injury or death and damage. Fuel can also irritate skin and eyes. To prevent this, always complete “BEFORE REPAIR PROCEDURE” and “AFTER REPAIR PROCEDURE” described in this manual.

(See BEFORE SERVICE PRECAUTION [MZR-CD 2.2].)

(See AFTER SERVICE PRECAUTION [MZR-CD 2.2].)

STEP	INSPECTION	RESULTS	ACTION
1	Perform the PCM DTC inspection using the M-MDS. (See ON-BOARD DIAGNOSTIC TEST [MZR-CD 2.2].) Is the DTC P2299:00 present?	Yes	Go to the applicable DTC inspection. (fuel injection amount control system operates with brake override system.) (See DTC P2299:00 [MZR-CD 2.2].)
No	Go to the next step.
2	Connect the M-MDS to the DLC-2. Retrieve the DTC from PCM. Is DTC P115A:00 displayed?	Yes	Go to DTC P115A:00 test. (See DTC P115A:00 [MZR-CD 2.2].)
No	Go to the next step.
3	Is the idle speed stable?	Yes	Go to the next step.
No	Go to the symptom troubleshooting “NO.10 ENGINE RUNS ROUGH/ROLLING IDLE”. (See NO.10 ENGINE RUNS ROUGH/ROLLING IDLE [MZR-CD 2.2].)
4	Is the engine overheating?	Yes	Go to the symptom troubleshooting “NO.19 COOLING SYSTEM CONCERNS—OVERHEATING”. (See NO.19 COOLING SYSTEM CONCERNS-OVERHEATING [MZR-CD 2.2].)
No	Go to the next step.
5	Perform the self-test function using the M-MDS. Switch the ignition to ON. Retrieve any DTCs. Are any DTCs displayed?	Yes	DTC is displayed: Go to the appropriate DTC test. (See DTC TABLE [MZR-CD 2.2].) Communication error message is displayed: Inspect the following: • Open circuit between main relay and PCM terminal 2C or 2F • Open circuit main relay and PCM terminal 2I • Main relay stuck open • Open or poor ground circuit (PCM terminal 2B, 2E, 2A or 2D) • Poor connection to vehicle body ground
No	No DTC is displayed: Go to the next step.
6	Start the engine and warm up to normal operation temperature. Verify the diesel particulate filter indicator light condition. Does the diesel particulate filter indicator light illuminate or flash?	Yes	Diesel particulate filter indicator light illuminates: Perform the manual diesel particulate filter regeneration procedure. (See DIESEL PARTICULATE FILTER REGENERATION [MZR-CD 2.2].) Diesel particulate filter indicator light flashes: Go to symptom troubleshooting “NO.4 DIESEL PARTICULATE FILTER INDICATOR LIGHT FLASHES”. (See NO.4 DIESEL PARTICULATE FILTER INDICATOR LIGHT FLASHES [MZR-CD 2.2].)
No	Go to the next step.
7	Inspect the following: • Fuel quality (e.g.: including water contamination, winter/summer blend) • Fuel line/fuel filter clogging and/or restriction • Intake-air system restriction • Exhaust system and/or oxidation catalytic converter restriction • Charge air cooler condition (restriction or damaged) • Vacuum leakage • Cooling fan seat Are all items normal?	Yes	Go to the next step.
No	Service if necessary. Repeat Step 7.
8	Inspect the A/C cut-off operation. Does the A/C cut-off work properly?	Yes	Go to the next step.
No	Repair or replace the malfunctioning part according to A/C cut-off system inspection results.
9	Inspect the intake shutter valve operation. (See ENGINE CONTROL SYSTEM OPERATION INSPECTION [MZR-CD 2.2].) Is there any malfunction?	Yes	Repair or replace if necessary.
No	Go to the next step.
10	Access and monitor the guide blade actuator position sensor and VBCV PIDs using the M-MDS. Monitor the VBCV_POS using the M-MDS. Command VBCV PID from 0 to 100 % using simulation function. Does the VBCV_POS PID reading change according to VBCV commanded value?	Yes	Go to Step 12.
No	Go to the next step.
11	Inspect the guide blade actuator operation. (See ENGINE CONTROL SYSTEM OPERATION INSPECTION [MZR-CD 2.2].) Is there any malfunction?	Yes	Repair or replace if necessary.
No	Go to the next step.
12	Inspect the hose bands between the following parts: • Turbocharger compressor housing and air cleaner • Turbocharger compressor housing and charge air cooler Are the hose bands loose?	Yes	Retighten the hose bands. If the concern is resolved, the inspection is complete. If the concern still exists, go to the next step.
No	Go to the next step.
13	Inspect for improper operation, kinks, clogging or disconnection on guide blade actuator. (See ENGINE CONTROL SYSTEM OPERATION INSPECTION [MZR-CD 2.2].) Is actuator normal?	Yes	Go to the next step.
No	Repair or replace if necessary. If the concern is resolved, the inspection is complete. If the concern still exists, the turbocharger is normal. Go to the next step.
14	Remove parts necessary to inspect the turbocharger. Do not remove the turbocharger. Inspect if the turbocharger compressor wheel is bent, damaged, or interfering with the housing on vehicle. Is there any malfunction?	Yes	Replace the turbocharger. (See EXHAUST SYSTEM REMOVAL/INSTALLATION [MZR-CD 2.2].)
No	Go to the next step.
15	Inspect if the turbocharger compressor wheel locknut is loose or has fallen down inside the turbocharger. Is there any malfunction?	Yes	Replace the turbocharger. (See EXHAUST SYSTEM REMOVAL/INSTALLATION [MZR-CD 2.2].)
No	Go to the next step.
16	Inspect if turbocharger compressor wheel by hand. Does wheel turn easily and smoothly?	Yes	Go to the next step.
No	Replace the turbocharger. (See EXHAUST SYSTEM REMOVAL/INSTALLATION [MZR-CD 2.2].)
17	Inspect if turbocharger turbine wheel is damaged, cracked or interfering with the housing on the vehicle. Note • Inspect all fins on each turbine wheel. Is there any malfunction?	Yes	Replace the turbocharger. (See EXHAUST SYSTEM REMOVAL/INSTALLATION [MZR-CD 2.2].)
No	Go to the next step.
18	Is any engine oil found inside the turbocharger turbine housing?	Yes	Excessive amount of oil is found: Replace the turbocharger. (See EXHAUST SYSTEM REMOVAL/INSTALLATION [MZR-CD 2.2].) Small amount of oil is found: Wipe oil off of the vehicle, then go to the next step.
No	Go to the next step.
19	Is any engine oil found inside the turbocharger compressor housing?	Yes	Wipe oil off of vehicle and install all removed parts in Step 13. Then, go to the next step.
No	Turbocharger is normal. Install all the parts removed in Step12. Then, go to the next step.
20	Perform the EGR system inspection. (See ENGINE CONTROL SYSTEM OPERATION INSPECTION [MZR-CD 2.2].) Is the EGR system normal?	Yes	Go to the next step.
No	Repair or replace the malfunctioning part according to the EGR system operation results.
21	Inspect idle speed. (See ENGINE TUNE-UP [MZR-CD 2.2].) Is the idle speed correct?	Yes	Go to the next step.
No	Repair or replace the malfunctioning part according to the idle speed inspection results.
22	Inspect the APP sensor. (See ACCELERATOR PEDAL POSITION (APP) SENSOR INSPECTION [MZR-CD 2.2].) Is the APP sensor normal?	Yes	Go to the next step.
No	Replace the accelerator pedal component. (See ACCELERATOR PEDAL COMPONENT REMOVAL/INSTALLATION [MZR-CD 2.2].)
23	Visually inspect the CKP sensor and the teeth of the pulse wheel. (See CRANKSHAFT POSITION (CKP) SENSOR INSPECTION [MZR-CD 2.2].) Are the CKP sensor and the teeth of the pulse wheel normal?	Yes	Go to the next step.
No	Replace the malfunctioning parts.
24	Visually inspect the CMP sensor and the teeth of the pulse wheel. (See CAMSHAFT POSITION (CMP) SENSOR INSPECTION [MZR-CD 2.2].) Are the CMP sensor and the teeth of the pulse wheel normal?	Yes	Inspect the following PIDs: (See PCM INSPECTION [MZR-CD 2.2].) • ECT • IAT • MAF • MAP • RPM • O2S11 If the PID value is not as specified, repair or replace malfunctioning parts. If the PID value is normal, go to the next step.
No	Replace malfunctioning parts.
25	Inspect the fuel pressure sensor. (See FUEL PRESSURE SENSOR INSPECTION [MZR-CD 2.2].) Is the fuel pressure normal?	Yes	Go to the next step.
No	Replace the common rail. (See COMMON RAIL REMOVAL/INSTALLATION [MZR-CD 2.2].)
26	Inspect the suction control valve. (See SUCTION CONTROL VALVE INSPECTION [MZR-CD 2.2].) Is the suction control valve normal?	Yes	Go to the next step.
No	Replace the supply pump. (See SUPPLY PUMP REMOVAL/INSTALLATION [MZR-CD 2.2].)
27	Is the engine compression correct? (See COMPRESSION INSPECTION [MZR-CD 2.2].)	Yes	Go to the next step.
No	Inspect the following: • Damaged valve seat • Worn valve stem and valve guide • Worn or stuck piston ring • Worn piston, piston ring or cylinder • Improper valve timing Service if necessary.
28	Inspect the fuel injector. (See FUEL INJECTOR INSPECTION [MZR-CD 2.2].) Is fuel injector normal?	Yes	Go to the next step.
No	Repair or replace if necessary.
29	Inspect the timing chain for the following: • Chipping of gear teeth • Low tension • Breakage damage or cracks Is the timing chain normal?	Yes	Inspect the following: • Clutch slippage • CKP sensor • Boost sensor and related circuit • Brake system for dragging If normal, remove and inspect the supply pump and common rail. (See SUPPLY PUMP REMOVAL/INSTALLATION [MZR-CD 2.2].) (See COMMON RAIL REMOVAL/INSTALLATION [MZR-CD 2.2].)
No	If the valve timing is incorrect, adjust the valve timing. If the timing chain is not normal, replace the timing chain. (See TIMING CHAIN REMOVAL/INSTALLATION [MZR-CD 2.2].)
30	Verify test results. • If normal, return to the diagnostic index to service any additional symptoms. (See SYMPTOM DIAGNOSTIC INDEX [MZR-CD 2.2].) • 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.

STEP

INSPECTION

RESULTS

ACTION

Perform the PCM DTC inspection using the M-MDS.

(See ON-BOARD DIAGNOSTIC TEST [MZR-CD 2.2].)

Is the DTC P2299:00 present?

Yes

Go to the applicable DTC inspection. (fuel injection amount control system operates with brake override system.)

(See DTC P2299:00 [MZR-CD 2.2].)

Go to the next step.

Connect the M-MDS to the DLC-2.

Retrieve the DTC from PCM.

Is DTC P115A:00 displayed?

Yes

Go to DTC P115A:00 test.

(See DTC P115A:00 [MZR-CD 2.2].)

Go to the next step.

Is the idle speed stable?

Yes

Go to the next step.

Go to the symptom troubleshooting “NO.10 ENGINE RUNS ROUGH/ROLLING IDLE”.

(See NO.10 ENGINE RUNS ROUGH/ROLLING IDLE [MZR-CD 2.2].)

Is the engine overheating?

Yes

Go to the symptom troubleshooting “NO.19 COOLING SYSTEM CONCERNS—OVERHEATING”.

(See NO.19 COOLING SYSTEM CONCERNS-OVERHEATING [MZR-CD 2.2].)

Go to the next step.

Perform the self-test function using the M-MDS.

Switch the ignition to ON.

Retrieve any DTCs.

Are any DTCs displayed?

Yes

DTC is displayed:

Go to the appropriate DTC test.

(See DTC TABLE [MZR-CD 2.2].)

Communication error message is displayed:

Inspect the following:

• Open circuit between main relay and PCM terminal 2C or 2F

• Open circuit main relay and PCM terminal 2I

• Main relay stuck open

• Open or poor ground circuit (PCM terminal 2B, 2E, 2A or 2D)

• Poor connection to vehicle body ground

No DTC is displayed:

Go to the next step.

Start the engine and warm up to normal operation temperature.

Verify the diesel particulate filter indicator light condition.

Does the diesel particulate filter indicator light illuminate or flash?

Yes

Diesel particulate filter indicator light illuminates:

Perform the manual diesel particulate filter regeneration procedure.

(See DIESEL PARTICULATE FILTER REGENERATION [MZR-CD 2.2].)

Diesel particulate filter indicator light flashes:

Go to symptom troubleshooting “NO.4 DIESEL PARTICULATE FILTER INDICATOR LIGHT FLASHES”.

(See NO.4 DIESEL PARTICULATE FILTER INDICATOR LIGHT FLASHES [MZR-CD 2.2].)

Go to the next step.

Inspect the following:

• Fuel quality (e.g.: including water contamination, winter/summer blend)

• Fuel line/fuel filter clogging and/or restriction

• Intake-air system restriction

• Exhaust system and/or oxidation catalytic converter restriction

• Charge air cooler condition (restriction or damaged)

• Vacuum leakage

• Cooling fan seat

Are all items normal?

Yes

Go to the next step.

Service if necessary.

Repeat Step 7.

Inspect the A/C cut-off operation.

Does the A/C cut-off work properly?

Yes

Go to the next step.

Repair or replace the malfunctioning part according to A/C cut-off system inspection results.

Inspect the intake shutter valve operation.

(See ENGINE CONTROL SYSTEM OPERATION INSPECTION [MZR-CD 2.2].)

Is there any malfunction?

Yes

Repair or replace if necessary.

Go to the next step.

Access and monitor the guide blade actuator position sensor and VBCV PIDs using the M-MDS.

Monitor the VBCV_POS using the M-MDS.

Command VBCV PID from 0 to 100 % using simulation function.

Does the VBCV_POS PID reading change according to VBCV commanded value?

Yes

Go to Step 12.

Go to the next step.

Inspect the guide blade actuator operation.

(See ENGINE CONTROL SYSTEM OPERATION INSPECTION [MZR-CD 2.2].)

Is there any malfunction?

Yes

Repair or replace if necessary.

Go to the next step.

Inspect the hose bands between the following parts:

• Turbocharger compressor housing and air cleaner

• Turbocharger compressor housing and charge air cooler

Are the hose bands loose?

Yes

Retighten the hose bands.

If the concern is resolved, the inspection is complete.

If the concern still exists, go to the next step.

Go to the next step.

Inspect for improper operation, kinks, clogging or disconnection on guide blade actuator.

(See ENGINE CONTROL SYSTEM OPERATION INSPECTION [MZR-CD 2.2].)

Is actuator normal?

Yes

Go to the next step.

Repair or replace if necessary.

If the concern is resolved, the inspection is complete.

If the concern still exists, the turbocharger is normal.

Go to the next step.

Remove parts necessary to inspect the turbocharger.

Do not remove the turbocharger.

Inspect if the turbocharger compressor wheel is bent, damaged, or interfering with the housing on vehicle.

Is there any malfunction?

Yes

Replace the turbocharger.

(See EXHAUST SYSTEM REMOVAL/INSTALLATION [MZR-CD 2.2].)

Go to the next step.

Inspect if the turbocharger compressor wheel locknut is loose or has fallen down inside the turbocharger.

Is there any malfunction?

Yes

Replace the turbocharger.

(See EXHAUST SYSTEM REMOVAL/INSTALLATION [MZR-CD 2.2].)

Go to the next step.

Inspect if turbocharger compressor wheel by hand.

Does wheel turn easily and smoothly?

Yes

Go to the next step.

Replace the turbocharger.

(See EXHAUST SYSTEM REMOVAL/INSTALLATION [MZR-CD 2.2].)

Inspect if turbocharger turbine wheel is damaged, cracked or interfering with the housing on the vehicle.

Note

• Inspect all fins on each turbine wheel.

Is there any malfunction?

Yes

Replace the turbocharger.

(See EXHAUST SYSTEM REMOVAL/INSTALLATION [MZR-CD 2.2].)

Go to the next step.

Is any engine oil found inside the turbocharger turbine housing?

Yes

Excessive amount of oil is found:

Replace the turbocharger.

(See EXHAUST SYSTEM REMOVAL/INSTALLATION [MZR-CD 2.2].)

Small amount of oil is found:

Wipe oil off of the vehicle, then go to the next step.

Go to the next step.

Is any engine oil found inside the turbocharger compressor housing?

Yes

Wipe oil off of vehicle and install all removed parts in Step 13. Then, go to the next step.

Turbocharger is normal.

Install all the parts removed in Step12.

Then, go to the next step.

Perform the EGR system inspection.

(See ENGINE CONTROL SYSTEM OPERATION INSPECTION [MZR-CD 2.2].)

Is the EGR system normal?

Yes

Go to the next step.

Repair or replace the malfunctioning part according to the EGR system operation results.

Inspect idle speed.

(See ENGINE TUNE-UP [MZR-CD 2.2].)

Is the idle speed correct?

Yes

Go to the next step.

Repair or replace the malfunctioning part according to the idle speed inspection results.

Inspect the APP sensor.

(See ACCELERATOR PEDAL POSITION (APP) SENSOR INSPECTION [MZR-CD 2.2].)

Is the APP sensor normal?

Yes

Go to the next step.

Replace the accelerator pedal component.

(See ACCELERATOR PEDAL COMPONENT REMOVAL/INSTALLATION [MZR-CD 2.2].)

Visually inspect the CKP sensor and the teeth of the pulse wheel.

(See CRANKSHAFT POSITION (CKP) SENSOR INSPECTION [MZR-CD 2.2].)

Are the CKP sensor and the teeth of the pulse wheel normal?

Yes

Go to the next step.

Replace the malfunctioning parts.

Visually inspect the CMP sensor and the teeth of the pulse wheel.

(See CAMSHAFT POSITION (CMP) SENSOR INSPECTION [MZR-CD 2.2].)

Are the CMP sensor and the teeth of the pulse wheel normal?

Yes

Inspect the following PIDs:

(See PCM INSPECTION [MZR-CD 2.2].)

• ECT

• IAT

• MAF

• MAP

• RPM

• O2S11

If the PID value is not as specified, repair or replace malfunctioning parts.

If the PID value is normal, go to the next step.

Replace malfunctioning parts.

Inspect the fuel pressure sensor.

(See FUEL PRESSURE SENSOR INSPECTION [MZR-CD 2.2].)

Is the fuel pressure normal?

Yes

Go to the next step.

Replace the common rail.

(See COMMON RAIL REMOVAL/INSTALLATION [MZR-CD 2.2].)

Inspect the suction control valve.

(See SUCTION CONTROL VALVE INSPECTION [MZR-CD 2.2].)

Is the suction control valve normal?

Yes

Go to the next step.

Replace the supply pump.

(See SUPPLY PUMP REMOVAL/INSTALLATION [MZR-CD 2.2].)

Is the engine compression correct?

(See COMPRESSION INSPECTION [MZR-CD 2.2].)

Yes

Go to the next step.

Inspect the following:

• Damaged valve seat

• Worn valve stem and valve guide

• Worn or stuck piston ring

• Worn piston, piston ring or cylinder

• Improper valve timing

Service if necessary.

Inspect the fuel injector.

(See FUEL INJECTOR INSPECTION [MZR-CD 2.2].)

Is fuel injector normal?

Yes

Go to the next step.

Repair or replace if necessary.

Inspect the timing chain for the following:

• Chipping of gear teeth

• Low tension

• Breakage damage or cracks

Is the timing chain normal?

Yes

Inspect the following:

• Clutch slippage

• CKP sensor

• Boost sensor and related circuit

• Brake system for dragging

If normal, remove and inspect the supply pump and common rail.

(See SUPPLY PUMP REMOVAL/INSTALLATION [MZR-CD 2.2].)

(See COMMON RAIL REMOVAL/INSTALLATION [MZR-CD 2.2].)

If the valve timing is incorrect, adjust the valve timing.

If the timing chain is not normal, replace the timing chain.

(See TIMING CHAIN REMOVAL/INSTALLATION [MZR-CD 2.2].)

Verify test results.

• If normal, return to the diagnostic index to service any additional symptoms.

(See SYMPTOM DIAGNOSTIC INDEX [MZR-CD 2.2].)

• 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.