#
PCM INSPECTION [MZR-CD (RF Turbo)]

BME014018880204

## Using WDS or Equivalent

  Caution

  • The PCM terminal voltages vary with change in measuring conditions and vehicle conditions.
  Always carry out a total inspection of the input systems, output systems, and PCM to determine the cause of trouble. Otherwise, diagnosis will be incorrect.

  Note

  • Perform "Correction after Parts Installation" after replacing the PCM. (See Correction after Parts Installation.)

1. Connect the WDS or equivalent to the DLC-2. (See ON-BOARD DIAGNOSTIC TEST [MZR-CD (RF Turbo)].)

2. Turn the engine switch to ON.

3. Measure the PID value.

  • If PID value is not within the specification, follow the instructions in ACTION column.

PID Monitor Table

Monitor item (Definition) | Unit/Condition | Condition/Specification (Reference) | Action | PCM terminal
--- | --- | --- | --- | ---
ACCS (A/C relay) | On/Off | KOER | • A/C operating: On • Engine switch is on: Off | Inspect following PIDs: START_SW, CPP, CPP/PNP, IVS, AC_REQ, APS1, APS2, ECT, RPM. | 73
AC_REQ (A/C switch) | On/Off | KOER | • A/C switch is on: On • A/C switch is off: Off | Inspect following PIDs: START_SW, CPP, CPP/PNP, IVS, AC_REQ, APS1, APS2, ECT, RPM. Inspect A/C relay. | 84
ACR (A/C relay) | On/Off | KOER | A/C switch ON and fan switch ON at idle: On Other: Off | Inspect following PIDs: START_SW, CPP, CPP/PNP, IVS, AC_REQ, APS1, APS2, ECT, RPM. Inspect A/C relay. | 73
APS1 (Accelerator pedal position sensor No.1 - voltage) | V | KOEO/KOER | Accelerator pedal released: Approx. 0.6 V Accelerator pedal fully depressed: Approx. 3.6 V | Inspect accelerator pedal position sensor No.1. | 10
APS2 (Accelerator pedal position sensor No.2 - voltage) | V | KOEO/KOER | Accelerator pedal released: Approx. 0.6 V Accelerator pedal fully depressed: Approx. 3.6 V | Inspect accelerator pedal position sensor No.2. | 88
ARPMDES (Target engine speed) | RPM | KOER (Idle) | No load: 725-825 rpm E/L operating: 725-825 rpm P/S operating: 725-825 rpm A/C ON: 725-825 rpm | Inspect following PIDs: START_SW, CPP, CPP/PNP, IVS, AC_REQ, APS1, APS2, IAT2, ECT, BOOST_DSD, FRP, FRP_A, RPM, VSS. | -
BARO (Barometric pressure) | Pa | inHg | KOEO/KOER | Indicate barometric pressure | Inspect BARO sensor. | -
V | BARO 101.3 kPa: approx. 4.0 V
BOOST_DSD (Desired boost pressure) | Pa psi Bar | Desired boost pressure is displayed | Perform applicable DTC troubleshooting. | -
COLP (Refrigerant pressure switch (middle)) | ON/OFF | KOER (Idle) | Refrigerant pressure switch (middle) ON at idle: ON Refrigerant pressure switch (middle) OFF at idle: OFF | Inspect refrigerant pressure switch. (See REFRIGERANT PRESSURE SWITCH INSPECTION.) | 83
CPP (Clutch pedal position switch) | On/Off | KOEO/KOER | Clutch pedal depressed: On Clutch pedal released: Off | Inspect clutch switch. (See CLUTCH PEDAL POSITION (CPP) SWITCH INSPECTION [MZR-CD (RF Turbo) MTX].) | 33
CPP/PNP (neutral switch) | Neutral/Drive | KOEO/KOER | Gear is neutral position: Neutral Gear is not neutral position: Drive | Inspect neutral switch. (See NEUTRAL SWITCH INSPECTION [MZR-CD (RF Turbo) MTX].) | 56
CR_1 (Calibration resistor voltage 1) | V | KOEO/KOER | Calibration resistor voltage is displayed | Inspect neutral calibration resistor. | 37
CR_2 (Calibration resistor voltage 2) | 62
CR_3 (Calibration resistor voltage 3) | 89
CR_4 (Calibration resistor voltage 4) | 11
DEC_CMP (Fuel correction for deceleration) | mm3/Stroke | Fuel correction for deceleration is displayed. | - | -
DSC_ACT (DSC control enable/disable) | Enabled/Disabled | KOEO | Disable | - | -
KOER | Idle: Enabled
DTCCNT (DTC count) | - | Number of DTCs stored in the PCM is displayed | Perform applicable DTC troubleshooting. | -
ECT (Engine coolant temperature) | °C | °F | KOEO/KOER | Engine coolant temperature displayed | Inspect ECT sensor. (See ENGINE COOLANT TEMPERATURE (ECT) SENSOR INSPECTION [MZR-CD (RF Turbo)].) | 87
V | ECT 20°C {68°F}: 3.0-3.2 V ECT 85°C {185°F}: 0.7-0.9 V
EGRA (Exhaust gas recirculation solenoid valve (vent)) | % | KOEO | Approx. 0 % | Inspect following PIDs: START_SW, CPP, CPP/PNP, IVS, AC_REQ, MAF, APS1, APS2, ECT, BARO, BOOST_DSD, FRP, FRP_A, RPM, VSS. Inspect EGR solenoid valve (vent). | 72
KOER | Idle: Approx. 100 %
EGRV (Exhaust gas recirculation solenoid valve (vacuum)) | % | KOEO | Approx. 0 % | Inspect following PIDs: START_SW, CPP, CPP/PNP, IVS, AC_REQ, MAF, APS1, APS2, ECT, BARO, BOOST_DSD, FRP, FRP_A, RPM, VSS. Inspect EGR solenoid valve (vacuum). | 99
KOER | Idle: Approx. 75-79 %
EGRV2 (Exhaust gas recirculation control solenoid valve) | On/Off | KOEO | Off | Inspect following PIDs: START_SW, CPP, CPP/PNP, IVS, AC_REQ, MAF, APS1, APS2, ECT, BARO, BOOST_DSD, FRP, FRP_A, RPM, VSS. Inspect EGR solenoid valve. | 77
KOER | Idle: On
EGRVP (EGR valve position) | V | Inspect EGR valve position sensor. (See EGR VALVE POSITION SENSOR INSPECTION [MZR-CD (RF Turbo)].) | 32
FAN_DUTY (Variable fan duty cycle) | % | KOER (Idle) | ECT is less than 100°C {212°F}: 0% ECT is 100°C {212°F} or more: 30-90% | Inspect fan control module. | 22
FFH_STAT (FFH status) | Active/Inactive | KOER (Idle) | Inactive | - | -
FIP_FL (FIP flow control) | A | KOER (Idle) | Approx. 1.8 A | Inspect following PIDs: START_SW, CPP, CPP/PNP, IVS, AC_REQ, APS1, APS2, IAT2, ECT, BOOST_DSD, FRP, FRP_A, RPM, VSS. Inspect IDM. | 30
% | Approx. 44.4 %
FIP_FL_DSD (FIP flow desired) | mm3/Stroke | KOEO | Approx. 0 mm3/stroke | Inspect following PIDs: START_SW, CPP, CPP/PNP, IVS, AC_REQ, APS1, APS2, IAT2, ECT, BOOST_DSD, FRP, FRP_A, RPM, VSS. | -
KOER (Idle) | Approx. 55 mm3/stroke
FIP_LRN (FIP learning amount) | A | KOEO | Approx. 64 mA | Inspect following PIDs: START_SW, CPP, CPP/PNP, IVS, AC_REQ, APS1, APS2, IAT2, ECT, BOOST_DSD, FRP, FRP_A, RPM, VSS. | -
KOER (Idle) | Approx. 77 mA
FIP_MODE (FIP duty control status) | Normal/Fixed_1/Fixed_2/Disabled | Engine stop for a long time or fail of SCV: Disabled | Inspect following PIDs: START_SW, CPP, CPP/PNP, IVS, AC_REQ, APS1, APS2, IAT2, ECT, BOOST_DSD, FRP, FRP_A, RPM, VSS. | -
Fail of injector, CKP sensor or fuel leak: Fixed_1 Engine start: Fixed_2 Regular drive: Normal
FIP_SCV (Suction control valve) | A | KOEO | Approx. 24 mA | Inspect following PIDs: START_SW, CPP, CPP/PNP, IVS, AC_REQ, APS1, APS2, IAT2, ECT, BOOST_DSD, FRP, FRP_A, RPM, VSS. | 93, 94
KOER | 1.5-2.2 A
V | KOEO | Approx. 0.02 V
KOER | 1.6-2.2 V
FLT (Fuel temperature) | °C | °F | KOEO/KOER | Fuel temperature is displayed | Inspect fuel temperature sensor. | 35
FLTV (FLT signal voltage) | V | KOEO/KOER | FLT 23 °C {73 °F}: Approx. 2.23 V
FRP (Fuel pressure sensor) | V | KOEO | Approx. 1 V | Inspect fuel pressure sensor. | 61
KOER | Idle: Approx. 1.54 V 2,000 rpm: Approx. 1.7 V
Pa | KOEO | 0 kPa {0 psi, 0 Bar}
KOER | Idle: Approx. 34 MPa {4,931 psi, 340 Bar} 2,000 rpm: Approx. 43 MPa {6,237 psi, 430 Bar}
FRP_A (FRP after fuel injection) | Pa | KOEO | 0 kPa {0 psi, 0 Bar}
KOER | Idle: Approx. 34 MPa {4,931 psi, 340 Bar} 2,000 rpm: Approx. 43 MPa {6,237 psi, 430 Bar}
GLWPG V (Glow plugs) | V | KOEO | Approx. 0 V | Inspect following PIDs: START_SW, ECT, BOOST_DSD, VSS. | 86
KOER | Cranking: Approx. 10 V Idle: Approx. 0 V
GPC (Glow plug control) | On/Off | KOEO | Off | Inspect following PIDs: START_SW, ECT, BOOST_DSD, VSS. | 68
KOER | Cranking: On Idle: Off
IASV (intake shutter solenoid valve (half) control) | On/Off | KOEO | Off | Inspect following PIDs: START_SW, CPP, CPP/PNP, IVS, APS1, APS2, IAT2, MAF, ECT, BOOST_DSD, RPM, VSS. Inspect intake shutter solenoid valve (half). | 74
KOER | Idle: On
1,100 rpm or more: On
IASV2 (intake shutter solenoid valve (full) control) | On/Off | KOEO | Off | Inspect following PIDs: START_SW, CPP, CPP/PNP, IVS, APS1, APS2, IAT2, MAF, ECT, BOOST_DSD, RPM, VSS. Inspect intake shutter solenoid valve (full). | 100
KOER | Idle: Off
IAT (Intake air temperature) | °C | °F | KOEO/KOER | Intake air temperature is displayed | Inspect IAT sensor No.1. (See MASS AIR FLOW (MAF)/INTAKE AIR TEMPERATURE (IAT) SENSOR INSPECTION [MZR-CD (RF Turbo)].) | 60
V | 30 °C {86 °F}: Approx. 1.9 V
IAT2 (Intake air temperature No.2) | °C | °F | KOEO/KOER | Intake air temperature is display | Inspect IAT sensor No.1. (See MASS AIR FLOW (MAF)/INTAKE AIR TEMPERATURE (IAT) SENSOR INSPECTION [MZR-CD (RF Turbo)].) | 8
V | 23 °C {73 °F}: Approx. 2.2 V
ICP (Injector control pressure) | Pa psi Bar | KOEO | 35 MPa {5,076 psi, 350 Bar} | Inspect following PIDs: START_SW, CPP, CPP/PNP, IVS, AC_REQ, APS1, APS2, IAT2, ECT, BOOST_DSD, FRP, FRP_A, RPM, VSS. | -
KOER | Idle: Approx.35 MPa {5,076 psi, 350 Bar} 2,000 rpm: Approx. 45 MPa {6,526.7 psi, 450 Bar}
IMRC (VSC solenoid valve) | On/Off | KOEO | Off | Inspect following PIDs: BARO, ECT, IAT, RPM, VSS | 101
KOER | Idle: On
approx. 2,500 rpm or more: Off
INGEAR (In gear) | On/Off | KOER | CPP or CPP/PNP is on: On | Inspect following PIDs: CPP, CPP/PNP | -
Others: Off
INJ_LRN_DIS (Distance from the last injector learning) | m mile | KOEO/KOER | Distance from the last injector learning | Distance from the last injector learning is display. | -
INJ_MODE (Fuel injection timing control status) | Normal/Disabled/Splitted/Fixed | Engine stop or fail of overrunning, injector or fuel leak: Disabled | Inspect following PIDs: START_SW, CPP, CPP/PNP, IVS, MAF, ECT, FRP, FRP_A, RPM, VSS. | -
Low speed and low temperature: Splitted Engine start: Fixed Regular drive: Normal
INJ_TIM (Fuel injection timing) | ° | KOEO | Approx. 30° | Inspect following PIDs: START_SW, CPP, CPP/PNP, IVS, MAF, ECT, FRP, FRP_A, RPM, VSS. | 42, 43, 44, 45
KOER | Idle: Approx. 30° 2,000 rpm: Approx. 30°
INJ1_CMP (Injector 1 correction value) | mm3/Stroke | KOEO/KOER | Injector correction value is displayed | Inspect following PIDs: START_SW, CPP, CPP/PNP, IVS, APS1, APS2, IAT2, ECT, BOOST_DSD, FRP, FRP_A, RPM, VSS. | 42
INJ2_CMP (Injector 2 correction value) | 45
INJ3_CMP (Injector 3 correction value) | 43
INJ4_CMP (Injector 4 correction value) | 44
ISC_CMP (Fuel correction for idle speed control) | mm3/Stroke | KOEO/KOER | Fuel correction for idle speed control is displayed | - | -
IVS (Idle switch) | Idle/Off Idle | KOEO/KOER | CTP: Idle Others: Off Idle | Inspect Idle switch. | 31
MAF (Mass air flow amount) | g/s | KOEO | 0 g/s | Inspect MAF/IAT sensor. (See MASS AIR FLOW (MAF)/INTAKE AIR TEMPERATURE (IAT) SENSOR INSPECTION [MZR-CD (RF Turbo)].) | 9
KOER | Idle: Approx. 13 g/s 2,000 rpm: Approx. 21 g/s
V | KOEO | Less than 1.0 V
KOER | Idle: 2.1 V 2,000 rpm: Approx. 2.4 V
MAF_C (MAF per cylinder) | g | KOEO | Approx. 78.44 mg | Inspect MAF sensor. | -
KOER | Idle: Approx. 590 mg 2,000 rpm: Approx. 400 mg
MAF_C_DSD (MAF per cylinder desired) | g | KOEO | Approx. 1.01 mg | Inspect MAF sensor. | -
KOER | Idle: Approx. 358 mg 2,000 rpm: Approx. 320 mg
MAF_LRN_DIS (Distance from the last MAF learning) | m mile | KOEO/KOER | Distance from the last MAF learning is displayed | - | -
MAINRLY (PCM control relay) | On/Off | KOEO | On | Inspect PCM control relay. (See RELAY INSPECTION.) | 69
KOER | Idle: On
MAP (Manifold absolute pressure) | V | KOEO | Approx. 4.1 V (at sea level) | Inspect boost sensor. (See BOOST SENSOR INSPECTION [MZR-CD (RF Turbo)].) | 36
Pa | inHg | KOER | Manifold absolute pressure is displayed
MIL (Malfunction indicator lamp) | On/Off | KOEO | On | Perform applicable DTC troubleshooting | 71
KOER | Off
MULTI_INJ (Multiple fuel injection control status) | 1_INJ/2_INJ/3_INJ/4_INJ/5_INJ/Disabled | No injection: Disabled High speed and high load or fail of SCV, injector or fuel pressure sensor: 1_INJ Low temperature and low or middle load: 2_INJ Regular drive and 1,000-1,500 rpm after warming up the engine completely in EM mode: 3_INJ Idle: 4_INJ
Injection learning: 5_INJ
Inspect following PIDs: START_SW, CPP, CPP/PNP, IVS, AC_REQ, APS1, APS2, MAF, IAT2, ECT, FLT, RPM, VSS.
-
RPM (Engine speed) | RPM | KOEO | 0 RPM | Inspect CKP sensor. (See CAMSHAFT POSITION (CMP) SENSOR INSPECTION [MZR-CD (RF Turbo)].) | 3, 29
KOER | No load: 725-825 RPM E/L operating: 725-825 RPM P/S operating: 725-825 RPM A/C ON: 725-825 RPM
START_SW (Starter switch value) | On/Off | KOEO | Off | Inspect cruise cancel switch. | 57
KOER | Cranking: On Idle: Off
TC_CMP (Fuel correction for traction control) | mm3/Stroke | KOEO/KOER | Fuel correction for traction control is displayed | Inspect following PIDs: START_SW, CPP, CPP/PNP, IVS, AC_REQ, APS1, APS2, IAT2, ECT, BOOST_DSD, FRP, FRP_A, RPM, VSS. | -
VBCV (VBC solenoid valve control) | % | KOER | 0 % | Inspect following PIDs: CPP, CPP/PNP, APS1, APS2, IVS, MAF, ECT, RPM. Inspect VBC solenoid valve. | 67
KOER | Idle: Approx. 51 % 2,000 rpm: Approx. 50 %
VFDES (Volume fuel desired) | mm3/Stroke | KOEO/KOER | Volume fuel desired is displayed | Inspect following PIDs: START_SW, CPP, CPP/PNP, IVS, AC_REQ, APS1, APS2, IAT2, ECT, BOOST_DSD, FRP, FRP_A, RPM, VSS. | -
VPWR (Battery positive voltage) | V | KOEO | Battery positive voltage is displayed | Inspect PCM control relay. Inspect battery. | 27, 53, 79
VSS (Vehicle speed) | KPH | MPH | KOER | Vehicle speed is 20 km/h {12.5 mph}: 20 KPH {12.5 MPH} Vehicle speed is 40 km/h {25 mph}: 40 KPH {25 MPH} | Inspect VSS. | -

## Not Using WDS or Equivalent

### Constant voltage terminal inspection

1. Turn the engine switch to ON.

2. Measure the voltage between the accelerator pedal position sensor terminal A (vehicle side) and body GND using a voltmeter.

  (1) Measurement voltage is below 1.0 V.

  1) Turn the engine switch to OFF.
  2) Disconnect the accelerator pedal position sensor connector.
  3) Verify there is no continuity between the accelerator pedal position sensor terminal A (vehicle side) and body GND using an ohmmeter.

  • If there is continuity, repair or replace the related harness.

  4) Inspect for continuity between the PCM terminal 90 (vehicle side) and accelerator pedal position sensor terminal A (vehicle side) using an ohmmeter.

  • If there is no continuity, repair or replace the related harness.

  (2) Measurement voltage is B+.

  1) Turn the engine switch to OFF.
  2) Disconnect the battery negative cable and battery positive cable.
  3) Verify there is no continuity between the accelerator pedal position sensor terminal A (vehicle side) and battery positive cable using an ohmmeter.

  • If there is continuity, repair or replace the related harness.

  (3) Measurement voltage is approx. 5 V.

  • Constant voltage terminal of PCM is normal.

### GND terminal inspection

1. Turn the engine switch to OFF.

2. Disconnect the PCM connector.

3. Inspect for continuity between the PCM GND terminals and body GND using an ohmmeter.

  • If there is no continuity, repair or replace the related harness.

PCM GND terminal
65
85
103
104

### Power supply terminal inspection

1. Turn the engine switch to ON.

2. Disconnect the PCM connector.

3. Measure the voltage between the PCM battery power terminals and body GND using a voltmeter.

  • If not as specified, repair or replace the related harness.

  Specification
  B+

PCM power supply terminal
27