Mazda 2002 6 - Page 168

CONTROL SYSTEM
F–48–5
F
2H Sensor GND
MAF/IAT sensor,
HO2S (Front,
Rear),
ECT sensor,
TP sensor,
MAP sensor, TFT
sensor, TR switch
Under any condition Below 1.0
• Inspect related
harness
2I*
5
VSS (–) VSS
• Inspect using the wave profile.
(See F–48–10 Inspection Using An
Oscilloscope (Reference).)
• Inspect VSS sensor
(See J–5 VEHICLE
SPEEDOMETER
SENSOR
INSPECTION)
• Inspect related
harness
2J CMP (+) CMP sensor
• Inspect using the wave profile.
(See F–48–10 Inspection Using An
Oscilloscope (Reference).)
• Inspect CMP sensor
(See F–55
CAMSHAFT
POSITION (CMP)
SENSOR
INSPECTION)
• Inspect related
harness
2K
Constant voltage
(Vref)
MAP sensor, TP
sensor
Ignition switch ON
Approx.
5.0
• Inspect related
harness
2L*
5
VSS (+) VSS
• Inspect using the wave profile.
(See F–48–10 Inspection Using An
Oscilloscope (Reference).)
• Inspect VSS sensor
(See J–5 VEHICLE
SPEEDOMETER
SENSOR
INSPECTION)
• Inspect related
harness
2M CMP (–) CMP sensor
• Inspect using the wave profile.
(See F–48–10 Inspection Using An
Oscilloscope (Reference).)
• Inspect CMP sensor
(See F–55
CAMSHAFT
POSITION (CMP)
SENSOR
INSPECTION)
• Inspect related
harness
2N —— — ——
2O —— — ——
2P Knocking (–) Knock sensor
Ignition switch ON (Use digital
type voltmeter, because
measurement voltage will be
detected less than true voltage
when using analog type
voltmeter)
Below 1.0
• Perform “On-Board
Diagnostic Test”
(See F–62
ON-BOARD
DIAGNOSTIC TEST)
• Inspect related
harness
2Q*
6
Coil (Immobilizer
system)
Coil
Because this terminal is for communication,
good/no good judgment by terminal voltage
is not possible.
• Inspect coil
• Inspect related
harness
2R CAN (–)
Instrument cluster,
ABS HU/CM,
ABS/TCS HU/CM,
DSC HU/CM
Because this terminal is for CAN, good/no
good judgment by terminal voltage is not
possible.
• Inspect related
harness
2S Knocking (+) Knock sensor
Ignition switch ON (Use digital
type voltmeter, because
measurement voltage will be
detected less than true voltage
when using analog type
voltmeter)
Approx.
4.3
• Perform “On-Board
Diagnostic Test”
(See F–62
ON-BOARD
DIAGNOSTIC TEST)
• Inspect related
harness
2T*
6
Coil (Immobilizer
system)
Coil
Because this terminal is for communication,
good/no good judgment by terminal voltage
is not possible.
• Inspect coil
• Inspect related
harness
Terminal Signal Connected to Test condition
Voltage
(V)
Action