Principle Of Code Cycle - Mazda 626 MX-6 Workshop Manual

PRINCIPLE OF CODE CYCLE

Malfunction codes are determined as shown below
1. Code cycle break
The time between malfunction code cycles is 4.0 sec (the time the light is off).
ON
OFF
2. Second digit of malfunction code (ones position)
The digit in the ones position of the malfunction code represents the number of times the buzzer
is on 0.4 sec during one cycle.
ON
OFF
3. First digit of malfunction code (tens position)
The digit in the tens position of the malfunction code represents the number of times the buzzer
is on 1.2 sec during one cycle.
It should also be noted that the light goes off for 1.6 sec. between the long and short pulses of
the buzzer.
TROUBLESHOOTING WITH SST 4 B
Malfunction code
1
cycle
cycle break
4.0 sec.
Malfunction code
1
cycle
cycle break
1 2 3
4.0 sec.
0.4 0.4
sec. sec.
1 cycle Malfunction code
1
2
1
2 cycle break
P r
0.4
. 4.0 sec.
1.2 1.6
sec. sec.
h-----------
co r
Second
First digit
digit
626, MX-6 Revised 10/87
Malfunction
code: 03
Malfunction
code: 22
86U04A-017
86U04A-018
86U04A-019
69G04C-554
4B—13