Mazda 3 Service Manual: Starter Cut Relay Inspection [MTX]

Mazda 3 Service Manual / Electrical / Fuses & Junction Blocks / 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.)	Starter relay Related wiring harnesses
			Switch the ignitions to off	Clutch pedal is depressed	Wave pattern 2 (See Pattern 2.)
			Switch the ignitions to ON	Clutch pedal is not depressed	B+
			Switch the ignitions to ON	Clutch pedal is depressed	1.0 or less	PCM Related wiring harnesses
D	Starter cut relay output signal	PCM Keyless control module	Switch the ignitions to off	Clutch pedal is not depressed	Wave pattern 2 (See Pattern 2.)	Starter cut relay Related wiring harnesses
D	Starter cut relay output signal	PCM Keyless control module	Switch the ignitions to off	Clutch pedal is depressed	1.0 or less	Starter cut relay Related wiring harnesses
H	Starter interlock switch	Starter interlock switch	Switch the ignitions to ON	Clutch pedal is not depressed	B+	Starter interlock switch Related wiring harnesses
H	Starter interlock switch	Starter interlock switch	Switch the ignitions to ON	Clutch pedal is depressed	1.0 or less	Starter interlock switch Related wiring harnesses
I	IG 1	Stop 15 A fuse	Switch the ignition to ON		B+	Stop 15 A fuse Related wiring harnesses
I	IG 1	Stop 15 A fuse	Switch the ignition to off		1.0 or less	Stop 15 A fuse Related wiring harnesses

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

Relay Inspection [Skyactiv G 2.0]

Relay Type Connector type Part name Type A Front fog light relay Headlight relay (HI) Headlight rel ...

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:

Maintenance of the Active Driving Display
The combiner and mirror surface have a special coating. When cleaning, do not use a hard or rough-surface cloth, or cleaning detergent. In addition, if a chemical solvent gets on the active driving display, wipe it off immediately. Otherwise, the combiner and mirror could be damaged and the s ...

Timing Chain Removal/Installation [Skyactiv G 2.0]
WARNING: A hot engine can cause severe burns. Turn off the engine and wait until it is cool before servicing. CAUTION: If the camshaft is rotated with the timing chain removed and the piston at the top dead center position, the valve may contact the piston and the engine ...

Sunlight/Temperature Sensor
The climate control system measures inside and outside temperatures, and sunlight. It then sets temperatures inside the passenger compartment accordingly. CAUTION Do not obstruct either sensor, otherwise the climate control system will not operate properly. ...