Mazda 3 Service Manual: Intermediate Sensor Inspection [FS5 A EL]
On-Vehicle Inspection
1. Inspect the power supply circuit for the intermediate sensor.
a. Set the battery component (ex: battery, battery tray and PCM component) out of the way.
b. Disconnect the intermediate sensor connector.
c. Switch the ignition to ON (engine off).
d. Measure the voltage at intermediate sensor connector terminal A (harness-side).
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If there is any malfunction, repair wiring harness between intermediate sensor and AT main relay.
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Intermediate sensor specification
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B+
e. Switch the ignition to off.
f. Connect the intermediate sensor connector.
2. Inspect the GND circuit for the intermediate sensor.
a. Switch the ignition to off.
b. Measure the voltage at intermediate sensor connector terminal C (harness-side).
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If there is any malfunction, repair wiring harness between intermediate sensor and GND.
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Intermediate sensor specification
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Below 1.0 V
3. Inspect the signal circuit for the intermediate sensor.
a. Connect the oscilloscope to the following TCM connector terminals and set it as below.
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(+) lead: TCM terminal AC
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(-) lead: battery negative terminal
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Oscilloscope setting: 1 V/DIV (Y), 200 μs/DIV (X), DC range
b. Start the engine.
c. Measure the wave form when the following conditions are met.
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Gear position: 3GR
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Vehicle speed: 30 km/h {19 mph}
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If there is any malfunction, replace the intermediate sensor..
Initial Learning [Fw6 A EL]
Introduction
If the control valve body and oil pressure switch are replaced, always perform
the initial learning. If the initial learning is not completed, engine rev-up
may occur or shif ...
Intermediate Sensor Removal/Installation [FS5 A EL]
CAUTION:
If foreign materials are stuck to the sensor, disturbance by magnetic flux
can cause sensor output to be abnormal and thereby negatively affect control.
Make sure that foreign m ...
Other materials:
Heater Core Inspection
1. Inspect the heater core for damage, cracks, and water leakage.
If there is any malfunction, replace the heater core.
2. Visually inspect the fins for bending.
If there is any bending, use the end of a flathead screwdriver to straighten
the fins.
3. Visually inspect ...
Identification Numbers
Vehicle Identification Number
The vehicle identification number legally
identifies your vehicle. The number is on a
plate attached to the cowl panel located on
the left corner of the dashboard. This plate
can easily be seen through the windshield
Motor Vehicle Safety Standard Label (U.S.A. ...
Airflow Mode Actuator Removal/Installation [Full Auto Air Conditioner]
1. Set the air intake mode to FRESH.
2. Set the air mix mode to MAX COLD.
3. Disconnect the negative battery cable..
4. Remove the following parts:
a. Front doors.
b. Front scuff plate.
c. Front side trim.
d. Dashboard under cover.
e. Glove compartment.
f. Upper panel.
g. Shift l ...