Mazda 626 MX-6 Workshop Manual page 238

4B
TROUBLESHOOTING WITH SST
Code No. 03 (G1 signal)
Are there poor connections in distributor circuit?
Is resistance between E and F terminal OK?
(Refer to page 4B—88)
Is there continuity between distributor and engine
control unit?
Distributor
E
F
Is same Code No. present after performing after­
repair procedure? (Refer to page 4B—11)
and 1P terminal voltages
Are engine control unit 1N
OK? (Refer to page 4B—1 ( 35 and 4B-106)
4B-18
YES
NO
YES
Control unit
1N
1P
YES
YES
YES
Repair or replace connector
NO
Replace distributor
NO
PC: Open circuit in wiring harness from distributor to
engine control unit
NO
G1 signal and circuit OK
NO
PC: Short circuit in wiring harness
PC: Engine control unit malfunction
PC: Possible Cause
86U04B-009