Mazda 2002 Millenia Spezifikationen PDF herunterladen (Seite 110)

ON-BOARD DIAGNOSTIC

F49

Neutral Switch

Neutral switch input malfunction (P0850)

• The PCM monitors changes in input voltage from the neutral switch. If the PCM does not detect the PCM

terminal 1W voltage changes while running vehicle with vehicle speed above 30 km/h {19 mph} and the clutch

pedal is depressed and released 10 times repeatedly, PCM determines that neutral switch circuit has a

malfunction.

Variable Air Duct (VAD) Solenoid Valve

VAD control system circuit malfunction (P1410)

• The PCM monitors the VAD solenoid control signal at PCM terminal 4C. If the PCM detects that the VAD

solenoid control signal does not change when VAD solenoid valve is switched to ON or OFF, the PCM

determines that VAD solenoid control circuit has a malfunction.

PCM

PCM +BB (back-up battery) voltage low (P1562)

• The PCM monitors back up battery positive voltage at the PCM terminal 2Z. If the PCM detects battery positive

terminal voltage below 2.5V for 2 s, the PCM determines that the backup voltage circuit has malfunction.

Variable Tumble Control System

Variable tumble control system shutter valve stuck closed (P2006)

• The PCM monitors mass air amount. If actual air flow amount is below estimated air flow amount when the

following monitoring conditions are met, the PCM determines that variable tumble control shutter valve has

been stuck closed.

 Engine speed is above 3,750 rpm

 Engine coolant temperature is above 63 °

°°

°C {145 °

°°

°F}

 Throttle valve opening angle is above threshold

: Maximum calculated load value varies depending on engine speed

Variable tumble control solenoid valve circuit low input (P2009)

• The PCM monitors variable tumble control solenoid valve control signal at the PCM terminal 4T. If the PCM

turns the variable tumble control solenoid valve off but voltage at the PCM terminal 4T still remains low, the

PCM determines that variable tumble control solenoid valve circuit has a malfunction.

Variable tumble control solenoid valve circuit high input (P2010)

• The PCM monitors variable tumble control solenoid valve control signal at the PCM terminal 4T. If the PCM

turns the variable tumble control solenoid valve on but voltage at the PCM terminal 4T still remains high, the

PCM determines that variable tumble control solenoid valve circuit has a malfunction.

BARO Sensor

BARO sensor circuit low input (P2228)

• The PCM monitors input voltage from BARO sensor. If input voltage at the PCM terminal 1G is below 0.35 V,

the PCM determines that BARO sensor circuit has a malfunction.

BARO sensor circuit high input (P2229)

• The PCM monitors input voltage from BARO sensor. If input voltage at the PCM terminal 1G is above 4.92 V,

the PCM determines that BARO sensor circuit has a malfunction.

Generator

Generator terminal B circuit open (P2502)

• The PCM judges generator output voltage is above 17 V and battery positive voltage is below 11 V.

Generator output voltage signal no electricity (P2503)

• The PCM needs above 20 A from the generator, and judges generator output voltage to be below 8.5 V during

engine running.

Battery overcharge (P2504)

• The PCM judges generator output voltage is above 18.5 V or battery positive voltage is above 16 V during

engine running.

Controller Area Network (CAN)

Can bus off (U0073)

• CAN controller is damaged.

PCM cannot receive any signals from ABS, ABS/TCS or DSC HU/CM control module (U0121)

• PCM cannot receive any signals from ABS, ABS/TCS or DSC HU/CM control module.

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