Mazda RX8 - Page 45

Are the ignition coil connectors
securely connected to the coils?
No
Connect the coil connectors securely.
Return to Step 2.
Yes Go to the next step.
4 Does the security light illuminate?
No
Inspect instrument cluster and the
following wiring harness.
• Between PCM terminal 4V and
instrument cluster terminal 1J
• Between PCM terminal 4S and
instrument cluster terminal 1L
Yes
Go to the applicable DTC inspection.
(See DTC TABLE (IMMOBILIZER
SYSTEM) .)
(See DTC TABLE [MULTIPLEX
COMMUNICATION SYSTEM] .)
5
Connect the WDS equivalent to the
DLC-2 and retrieve the DTC.
Are any of the following DTCs
displayed?
DTC
o B1213, B1341, B1600, B1601,
B1602, B1681, B2103, B2139,
B2431, U1147, U2510
No Go to the next step.
Yes
Repair or replace the wiring harnesses
and connectors.
6
Inspect the following wiring harnesses
and connectors for an open or short
circuit:
• Between coil terminal A and
keyless control module terminal
3F
• Between coil terminal B and
keyless control module terminal
3E
Are there any malfunctions?
No Go to the next step.
Yes
Repair or replace wiring harnesses
and connectors.
7
Inspect the following wiring harnesses
and connectors for an open or short
circuit:
• Between keyless control
module terminal 3A and PCM
terminal 4V
• Between keyless control
module terminal 3B and PCM
terminal 4S
Are there any malfunctions?
No Go to the next step.
8 Verify the following: Yes Go to the next step.
(w) RX8-Engine Troubleshooting
Page 45