Mazda RX-8 Workshop Manual page 3036

ground
Between PCM terminal 1AM and
ground
Between PCM terminal 1AI and
ground
Is there continuity?
VERIFY NO SHORT CIRCUIT TO POWER SUPPLY SYSTEM IN
10 CAN COMMUNICATION WIRING HARNESS
CAUTION:
When inspecting the DLC-2, touch it with a paper
clip or similar thin pin without directly inserting a
tester into the terminals.
Verify the continuity between the following terminals:
Between DLC-2 terminal F and DLC-
2 terminal O
Between DLC-2 terminal A and DLC-
2 terminal O
Between PCM terminal 1AM and
PCM terminal 1AW
Between PCM terminal 1AI and PCM
terminal 1AW
Is there continuity?
INSPECT CAN-RELATED MODULES OTHER THAN PCM
11
Remove only one of the CAN-related modules other
than those related to the PCM.
Connect the negative battery cable.
Connect the M-MDS to the DLC-2.
Does the M-MDS recognize the vehicle?
PERFORM VEHICLE IDENTIFICATION
12
Connect the M-MDS to the DLC-2.
Does the M-MDS recognize the vehicle?
< Previous Next >
© 2010 Mazda North American Operations, U.S.A.
YesThere is a short circuit to the power supply system in the CAN
communication wiring harness. Repair or replace it, then go to
Step 12.
No Go to the next step.
YesReplace the removed module.
No Inspect all of the CAN-related modules other than those related
to the PCM using the same procedure.
After inspecting all of the modules, go to the next step.
YesDTC troubleshooting completed.
No Replace the PCM.
(See PCM REMOVAL/INSTALLATION [13B-MSP].)
Back to Top