Mazda MX-5 Miata Sport 2007 Manual page 1961

2007 ENGINE PERFORMANCE Symptom Troubleshooting - MX-5 Miata
4 Does the security light
flush?
5 Connect the M-MDS or
equivalent to the DLC-2
and retrieve DTC for
PCM, instrument
cluster and keyless
control module (with
advanced keyless entry
system).
Are any of the
following DTCs
displayed?
DTC
PCM: B1342, U0073,
U0155
Instrument cluster:
B1213, B1600, B1601,
B1602, B1681, B2103,
2139, B2431, U0110,
U0214
Keyless control
module (with
advanced keyless
entry system): B1681,
B2103, B1213
6 Inspect for the
following wiring
harnesses and
connectors:
With advanced keyless
entry system:
Between coil

2007 Mazda MX-5 Miata Sport
Yes
No
Yes
No
Yes
Return to Step 2.
Go to the next step.
Inspect and repair or replace the
following:
Wiring harnesses and

connectors from keyless
control module terminal
3F and instrument cluster
terminal 2F
Instrument Cluster (See

INSTRUMENT
CLUSTER
INSPECTION )
Go to the appropriate DTC
inspection.
(See DTC TABLE [LF] .)
Go to the next step.
Repair or replace the suspected
wiring harness and connector.