Mazda 3 Service Manual: Starter Cut Relay Inspection [MTX]
Advanced Keyless Entry And Push Button Start System Only
1. Disconnect the negative battery cable.
2. Remove the following parts:
a. Front scuff plate (LH).
b. Front side trim (LH).
c. Side wall.
d. Console.
3. Set the bonnet release lever out of the way..
4. Remove the lower panel..
5. Remove the starter cut relay with the connector connected..
6. Connect the negative battery cable..
7. Measure the voltage at each terminal is as indicated in the terminal voltage tables.
-
If the voltage or continuity is not as specified in the terminal voltage table, inspect the parts under “Inspection item (s)”.
-
If the system does not work properly even though the parts or related wiring harnesses do not have any malfunction, replace the starter cut relay.
Terminal Voltage Table (Reference)
|
Terminal |
Signal name |
Connected to |
Measurement condition |
Voltage (V) |
Inspection item (s) |
||
|
A |
Power supply |
Starter relay |
Switch the ignitions to off |
Clutch pedal is not depressed |
Wave pattern 1 (See Pattern 1.) |
|
|
|
Clutch pedal is depressed |
Wave pattern 2 (See Pattern 2.) |
||||||
|
Switch the ignitions to ON |
Clutch pedal is not depressed |
B+ |
|||||
|
Clutch pedal is depressed |
1.0 or less |
|
|||||
|
D |
Starter cut relay output signal |
|
Switch the ignitions to off |
Clutch pedal is not depressed |
Wave pattern 2 (See Pattern 2.) |
|
|
|
Clutch pedal is depressed |
1.0 or less |
||||||
|
H |
Starter interlock switch |
Starter interlock switch |
Switch the ignitions to ON |
Clutch pedal is not depressed |
B+ |
|
|
|
Clutch pedal is depressed |
1.0 or less |
||||||
|
I |
IG 1 |
Stop 15 A fuse |
Switch the ignition to ON |
B+ |
|
||
|
Switch the ignition to off |
1.0 or less |
||||||
Generated pulse (reference)
Pattern 1
-
Terminal: A (+) ↔ body ground (-)
-
Oscilloscope setting: 2 V/DIV (Y), 100 ms/DIV (X), DC range
Pattern 2
-
Terminal:
-
A (+) ↔ body ground (-)
-
D (+) ↔ body ground (-)
-
Oscilloscope setting: 2 V/DIV (Y), 100 ms/DIV (X), DC range
Refrigerant Charging
CAUTION:
Do not exceed the specification when charging the system with refrigerant.
Doing so will decrease the efficiency of the air conditioner or damage the refrigeration
cycle parts.
...
Starter Cut Relay Removal/Installation [MTX]
Advanced Keyless Entry And Push Button Start System Only
1. Disconnect the negative battery cable..
2. Remove the following parts:
Front scuff plate (LH).
Front side trim (LH).
...
Other materials:
Home screen
Icon
Function
Applications
Information such as average fuel economy, maintenance, and warnings can
be verified.
Depending on the grade and specification, the screen display may
differ.
Entertainment
Operates audio such as the radio ...
Brake Pedal Inspection
Pedal Height Inspection
1. Measure the distance from the center of the upper surface of the pedal pad
to the floor covering and verify that it is as specified.
If not within the specification, replace the brake pedal.
Brake pedal height (reference value)
MZR 2.0, SKYACTI ...
Engine Coolant Temperature (ECT) Sensor Removal/Installation [Mzr 2.0, Mzr 2.5]
WARNING:
When the engine is hot, it can badly burn. Turn off the engine and wait until
it is cool before removing the ECT sensor.
ECT Sensor No.1
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Drain the engine coolant..
4. Remove the battery and b ...
