PCM Inspection Using the SST (WDS or equivalent)

NOTE:

PIDs for the following parts are not available on this model. Go to the appropriate part inspection.
- CMP sensor (See CAMSHAFT POSITION (CMP) SENSOR INSPECTION .)
- Main relay (See RELAY INSPECTION .)

Connect the WDS or equivalent to the DLC-2. (See ON-BOARD DIAGNOSTIC TEST .)
Turn the ignition switch to ON.
Measure the value.

If the value is not within the specification, follow the instructions in Action column.

PID/DATA MONITOR TABLE (REFERENCE)

Parameter Name

Unit/Condition

Condition/Specification (Reference)

Inspection item

PCM terminal

AAT (Ambient air temperature)⁽²⁾

°C or °F

Indicates ambient air temperature

The following PIDs: IAT

AC_REQ (A/C switch)

On/Off

A/C and fan operating: On A/C not operating: Off

The following PIDs: RPM, TP, ECT

ACCS (A/C relay)

On/Off

A/C operating: On IG SW ON: Off

The following PIDs: RPM, TP, ECT

ALTF (Generator field coil control duty value)

IG SW ON: 0% Idle: 0-100% Generator operating --> E/L ON: Duty value rises

The following PIDs: IAT, RPM, ALTT V

ALTT V (Generator output voltage)

IG SW ON: 0 V Idle: 14-16 V

The following PIDs: IAT, RPM, ALTF Generator

ARPMDES (Target engine speed)

RPM

Idle: Indicates target engine speed

Perform "ON-BOARD DIAGNOSTIC TEST"

BARO (Barometric pressure)

IG SW ON: Indicates barometric pressure

EGR boost sensor

IG SW ON (Barometric pressure at 102 kPa {765 mmHg, 30 inHg}): Approx 4.3 V

BARO/EGR (EGR boost sensor solenoid valve)

On/Off

Ignition switch ON: Off Idle: Off

EGR boost sensor solenoid valve

BOO (Brake switch)

On/Off

Brake pedal depressed: On Brake pedal released: Off

Brake switch

CATT11_DSD (Estimated catalytic converter temperature)

°C or °F

Indicates estimated catalytic converter temperature

The following PIDs: BARO, ECT, IAT, MAF, RPM

CATT21_DSD (Estimated catalytic converter temperature)

°C or °F

Indicates estimated catalytic converter temperature

The following PIDs: BARO, ECT, IAT, MAF, RPM

CHRGLP (Generator warning light)

On/Off

IG SW ON: On Idle: Off

Generator warning light

COLP (Refrigerant pressure switch (medium pressure switch))

On/Off

Refrigerant pressure is the threshold or more: On Refrigerant pressure is the threshold or less: Off

Refrigerant pressure switch (medium pressure switch)

DTCCNT (Number of DTC detected)

Number of DTCs stored Normal: 0

Perform applicable DTC troubleshooting.

ECT (Engine coolant temperature)

°C or °F

IG SW ON: Indicates engine coolant temperature

ECT sensor

ECT 20 °C {68 °F}: 2.9-3.1 V After warm up: 0.2-1.0 V

EQ_RAT11_DSD (Theoretical air/fuel ratio coefficient to calculate target air/fuel ratio)

Idling after warm-up: Approx.1

HO2S (Front, LH/RH)

EVAPCP (Purge solenoid valve duty value)

IG SW ON: 0%

The following PIDs: IAT, RPM, ECT, MAF, TP, BARO, O2S11, O2S21

FAN_DUTY (Fan control signal)

ECT below 100 °C {212 °F}: 0% ECT above 100 °C {212 °F}: 35- 100%

Inspect ECT sensor

FLI (Fuel level)⁽²⁾

Fuel gauge level F: Approx. 100% Fuel gauge level E: Approx. 0%

Perform applicable DTC troubleshooting.

FP (Fuel pump relay)

On/Off

IG SW ON: Off Idle: On Cranking: On

The following PID: RPM

95⁽³⁾, 67⁽⁴⁾

FUELPW (Fuel injection duration)

IG SW ON: 0 ms Idle: 1.5-3.0 ms

PIDs for input signals

48, 49, 50, 74, 75, 76

FUELSYS1 (Fuel system status (RH))

OL/CL/OL-Drive/OL-Fault/CL-Fault

Idling after warm-up: CL

The following PID: MAF, IAT, ECT, RPM, TP, O2S11, O2S12, O2S21, O2S22, BARO, VSS, PSP, ALTF, ACCS, IMCC, BOO, B+

FUELSYS2 (Fuel system status (LH))⁽²⁾

OL/CL/OL-Drive/OL-Fault/CL-Fault

Idling after warm-up: CL

The following PID: MAF, IAT, ECT, RPM, TP, O2S11, O2S12, O2S21, O2S22, BARO, VSS PSP, ALTF, ACCS, IMCC, BOO, B+

GENVDSD (Target generator voltage)

Ignition switch is turned to the On position: Approx. 1.0 V or less Idling (no electrical load): Approx. 14 V (This is an internal calculation value and differs from the terminal voltage.)

The following PIDs: ECT, IAT, RPM, VSS, ALTT V, VPWR Generator

HTR11 (HO2S heater (Front, RH))

On/Off

Approx. 15 seconds after engine start with ECT 20-30 °C {68-86 °F}: On Others alternate: On and Off

The following PIDs: ECT, MAF

HTR12 (HO2S heater (Rear, RH))⁽²⁾

On/Off

Approx. 15 seconds after engine start with ECT 20-30 °C {68-86 °F}: On Others alternate: On and Off

The following PIDs: ECT, MAF

HTR21 (HO2S heater (Front, LH))

On/Off

ECT above 70 °C {158 °F}: On RHO2S heater malfunctioning: Off

The following PIDs: ECT, MAF

HTR22 (HO2S heater (Rear, LH))⁽²⁾

On/Off

ECT above 70 °C {158 °F}: On RHO2S heater malfunctioning: Off

The following PIDs: ECT, MAF

IAC (IAC valve)

IG SW ON: 0% Idle: 25-40%

The following PIDs: IAT, RPM, ECT, MAF, TP, PSP, TEST

IAT (Intake air temperature)

°C or °F

IG SW ON: Indicates intake air temperature

IAT sensor

IAT 20 °C {68 °F}: 2.3-2.5 V IAT 30 °C {86 °F}: 1.8-2.0 V

IMCC (IMCC actuator)

Idle: 0% Engine speed 3,750-5,560 rpm : 100% --> 50%

The following PID: RPM

INGEAR (Gears are engaged.)

On/Off

P or N position: Off Others: On

TR switch

IVS (CTP condition)

Idle/Off Idle

Idling: Idle Other than idling: Off Idle

The following PIDs: TP

KNOCKR (Spark retard value to prevent knocking)

°(DEG)

Idle: 0 °

PIDs for input signals

3, 81

LDP_EVAPCP (EVAP system leak detection pump detect incorrect purge flow) ⁽²⁾

Indicates EVAP system leak detection pump detect incorrect purge flow

Perform applicable DTC troubleshooting.

LDP_IDL (EVAP system leak detection pump idle current)⁽²⁾

Indicates EVAP system leak detection pump idle current

Perform applicable DTC troubleshooting.

LDP_MON (EVAP system leak detection pump monitoring current)⁽²⁾

Indicates EVAP system leak detection pump monitoring current

Perform applicable DTC troubleshooting.

LDP_REF (EVAP system leak detection pump reference current)⁽²⁾

Indicates EVAP system leak detection pump reference current

Perform applicable DTC troubleshooting.

LDP_SLDV(EVAP system small leak detection value)⁽²⁾

Indicates EVAP system small leak detection value

Perform applicable DTC troubleshooting.

LDP_VSL_FV (EVAP system very small leak detection fail value)⁽²⁾

mA/sec

Indicates EVAP system very small leak detection fail value

Perform applicable DTC troubleshooting.

LDP_VSL_SV (EVAP system very small leak detection safe value)⁽²⁾

mA/sec

Indicates EVAP system very small leak detection safe value

Perform applicable DTC troubleshooting.

LDP_VSLDV (EVAP system very small leak detection value)⁽¹⁾

A/s

Indicates EVAP system very small leak detection value

Perform applicable DTC troubleshooting.

LOAD (Calculated engine load)

Idle: 18-20% Engine speed at 2,500 rpm: 17-19%

Perform "ON-BOARD DIAGNOSTIC TEST"

LONGFT1 (Current long fuel trim (RH) adjustment)

Idle: -20-20%

Perform "ON-BOARD DIAGNOSTIC TEST"

LONGFT2 (Current long fuel trim (LH) adjustment)

Idle: -20-20%

Perform "ON-BOARD DIAGNOSTIC TEST"

MAF (Intake airflow amount)

g/s

Idle:3.3-4.7 g/s Engine speed at 2,500 rpm: 12.1-15.0 g/s

MAF sensor

IG SW ON: 0.0-0.1 V Idle: 0.5-0.8 V

MIL (Malfunction indicator light)

On/Off

IG SW ON: On DTC output: On No DTC output: Off

MIL

MIL_DIS (Travelled distance since MIL illuminate)

km or mi

Indicates travelled distance since MIL illuminate Normal: 0 km {0 mi}

The following PIDs: DTCCNT, MIL Perform applicable DTC troubleshooting.

O2S11 (HO2S (Front, RH))

IG SW ON: 0-1.0 V Idle (After warm up): 0-1.0 V Acceleration: 0.5-1.0 V Deceleration: 0-0.5 V

HO2S (Front, RH)

O2S12 (HO2S (Rear, RH))⁽²⁾

IG SW ON: 0-1.0 V Idle (After warm up): 0-1.0 V Acceleration: 0.5-1.0 V Deceleration: 0-0.5 V

HO2S (Rear, RH)

O2S21 (HO2S (Front, LH))

IG SW ON:0- 1.0 V After warm up: 0-1.0 V Acceleration: 0.5-1.0 V Deceleration: 0-0.5 V

HO2S (Front, LH)

O2S22 (HO2S (Rear, LH))⁽²⁾

IG SW ON: 0-1.0 V After warms up: 0-1.0 V Acceleration: 0.5-1.0 V Deceleration: 0-0.5 V

HO2S (Rear, LH)

PSP (PSP switch)

High/Low

Steering wheel at straight ahead position: Low Steering wheel fully turned: High

PSP switch

RFCFLAG (Readiness Function Code)

Learnt/Not Learnt

Idling (after running PCM adaptive memory procedure drive mode): Learnt Right after the negative battery cable is disconnected (before running PCM adaptive memory procedure drive mode): Not Learnt

Perform DRIVE MODE 1

RO2FT1 (HO2S (Rear, RH) fuel trim)⁽²⁾

Indicates HO2S (Rear, RH) fuel trim

The following PID: O2S12

RO2FT2 (HO2S (Rear, LH) fuel trim)⁽²⁾

Indicates HO2S (Rear, LH) fuel trim

The following PID: O2S12

RPM (Engine speed)

RPM

Idle: Indicates engine speed

CKP sensor

27, 1

SEGRP (EGR valve (stepping motor) position)

IG SW ON: 0 (step) Idle: 0 (step) Cranking: 0-60 (steps)

The following PIDs: ECT, TP

98, 72, 73, 99

SEGRP DSD (EGR valve position desired)

EGR not operating: 0% EGR operating: 0-100%

The following PID - MAF, TP, ECT, RPM, VSS

SHRTFT1 (Short term fuel trim (RH))

Idle: -20-20%

Perform "ON-BOARD DIAGNOSTIC TEST"

SHRTFT11 (Short term fuel trim (Front, RH))

Indicates short term fuel trim (Front, RH)

Perform "ON-BOARD DIAGNOSTIC TEST"

SHRTFT12 (Short term fuel trim (Rear, RH))⁽²⁾

Indicates short term fuel trim (Front, LH)

Perform "ON-BOARD DIAGNOSTIC TEST"

SHRTFT2 (Short term fuel trim (LH))

Idle: -20-20%

Perform "ON-BOARD DIAGNOSTIC TEST"

SHRTFT21 (Short term fuel trim (Front, LH))

Indicates short term fuel trim (Rear, RH)

Perform "ON-BOARD DIAGNOSTIC TEST"

SHRTFT22 (Short term fuel trim (Rear, LH))⁽²⁾

Indicates short term fuel trim (Rear, LH)

Perform "ON-BOARD DIAGNOSTIC TEST"

SPARKADV (Ignition timing)

°(BTDC)

Indicates ignition timing

The following PIDs: MAF V, IAT V, RPM, TP V, ECT V, PSP SW, NL SW, CLT SW, A/C SW, TEN, CMP Perform Engine tune-up.

52 for #1 104 for #2 102 for #3 78 for #4 103 for #5 101 for #6

test (Test mode)

On/Off

During test mode: On Other than test mode: Off

TIRESIZE (Tire revolution per mile

Indicates tire revolution per mile

TP (TP sensor signal voltage)

CTP: 0.7-1.2 V WOT: 4.15-4.8 V

TP sensor

TP REL (Throttle position signal (relative value))

CTP: Approx. 0% WOT: Approx. 100%

TP sensor

TP1 (Throttle position)

Indicates throttle position

TP sensor

TPCT (TP sensor voltage at CTP)

CTP: 0.7-1.2 V

TP sensor

VPWR (Battery positive voltage)

Indicates battery positive voltage

Battery

VSS (Vehicle speed)

KPH or MPH

Vehicle running: Indicates vehicle speed

Inspect VSS

⁽¹⁾	California emission regulation applicable model

⁽²⁾	With rear HO2S model

⁽³⁾	With immobilizer system

⁽⁴⁾	Without immobilizer system