Mazda 6 2002 - Page 144

CONTROL SYSTEM
F47
F
FDPDTC
(Pending code caused
FFD storage)

Perform applicable DTC
troubleshooting.
(See F67 DTC TABLE)

FP (Fuel pump relay) ON/OFF
Ignition switch ON: OFF
Idle: ON
Cranking: ON
Inspect following PIDs: RPM.
Inspect fuel pump relay.
(See T24 RELAY INSPECTION)
4P
*5
4Q
*6
FUELPW (Fuel injector
duration)
TIME
Ignition switch ON: 0 ms
Idle (after warm up): approx. 2.5 ms
Inspect following PIDs: IAT, MAF, TP,
MAP, ECT, RPM, O2S11, O2S12,
INGEAR, TR, PSP, ACSW, VPWR,
ALTT V.
Inspect fuel injector.
(See T24 RELAY INSPECTION)
4W, 4Z,
4AA,
4AD
FUELSYS
(Fuel system status)
Open loop/
Closed loop
Ignition switch ON: Open loop
Idle (after warm up): Closed loop
Inspect following PIDs: IAT, MAF, TP,
MAP, ECT, RPM, O2S11, O2S12,
INGEAR, TR, PSP, ACSW, VPWR,
ALTT V.
Inspect fuel injector.
(See T24 RELAY INSPECTION)

GENVDSD
(Generator voltage
desired)
V
Ignition switch ON: 0 V
Idle: Approx. 14.9 V
*1
(E/L not
operating)
Perform applicable DTC
troubleshooting.
(See F67 DTC TABLE)

HTR11
(HO2S heater (front))
ON/OFF Idle (after warm up): ON⇔OFF
Inspect following PIDs: IAT, MAF, TP,
ECT, RPM, ACSW.
(See F56 HEATED OXYGEN
SENSOR (HO2S) INSPECTION)
4A
HTR12
(HO2S heater (rear))
ON/OFF
Ignition switch ON: OFF (HO2S
heater not operating)
Idle: ON (HO2S heater operating)
Inspect following PIDs: IAT, MAF,
ECT, RPM, ACSW.
(See F56 HEATED OXYGEN
SENSOR (HO2S) INSPECTION)
4D
IAC (IAC valve) %
Ignition switch ON: 0%
Idle: Approx. 60% (ECT 90°C {194
°F} and E/L not operating)
Inspect following PIDs: IAT, RPM,
MAP, ECT, MAF, TP, INGEAR, TR,
PSP, ACSW.
Inspect IAC valve.
(See F13 IDLE AIR CONTROL
(IAC) VALVE INSPECTION)
4G
4J
IASV (Variable air duct
control solenoid valve)
ON/OFF
ECT is above 70 °C {158 °F}, engine
speed is above 5,800 rpm, and TP
opening angle is above 50%: ON
Others: OFF
Inspect following PIDs: ECT, RPM,
TP.
Inspect VAD control solenoid valve.
(See F13 VARIABLE AIR DUCT
(VAD) CONTROL SOLENOID
VALVE INSPECTION (L3)
4C
IAT
(Intake air temperature)
°C °F
IAT 20 °C {68 °F}: 20 °C {68 °F}
IAT 30 °C {86 °F}: 30 °C {86 °F}
Inspect IAT sensor.
(See F50 INTAKE AIR
TEMPERATURE (IAT) SENSOR
INSPECTION)
2E
V
IAT 20 °C {68 °F}: 2.42.6 V
IAT 30 °C {86 °F}: 1.71.9 V
IMRC (Variable tumble
control solenoid valve)
ON/OFF
Engine speed is below approx.
3,750 rpm: ON
Others: OFF
Inspect following PIDs: TP, ECT,
RPM.
Inspect VTCS solenoid valve.
(See F15 VARIABLE TUMBLE
CONTROL SOLENOID VALVE
INSPECTION)
4T
IMTV (Variable Intake-
air control solenoid
valve)
ON/OFF
Engine speed is below approx.
4,500 rpm: ON
Others: OFF
Inspect following PIDs: RPM.
Inspect VIS control solenoid valve.
(See F14 VARIABLE INTAKE-AIR
SYSTEM (VIS) CONTROL
SOLENOID VALVE INSPECTION
(L3))
4R
INGEAR (Load/no load
condition)
ON/OFF
CPP or CPP/PNP is ON: OFF
Others: ON
Perform applicable DTC
troubleshooting.
(See F67 DTC TABLE)
1R, 1W
IVS (CTP condition) ON/OFF
CTP: ON
Others: OFF
Perform applicable DTC
troubleshooting.
(See F67 DTC TABLE)
2A
Monitor item
(Definition)
Unit/
Condition
Condition/Specification
(Reference)
Action
PCM
terminal