Mazda RX-8 Manual page 1268

INSPECT TCM CIRCUIT FOR SHORT TO
GROUND
Inspect for continuity between the AT solenoid
•
10
valve connector terminal A (transmission case-
side) and body ground.
Is there continuity?
•
INSPECT OIL PRESSURE SWITCH C
CONNECTOR FOR POOR CONNECTION
Disconnect the oil pressure switch C connector.
•
11
Inspect for poor connection (such as
•
damaged/pulled-out pins, corrosion).
Are the connector and terminals normal?
•
INSPECT CONTROL VALVE BODY CIRCUIT
FOR OPEN CIRCUIT
Inspect for continuity between the control valve
•
12
body (part-side) terminal F and oil pressure
switch C (wiring harness-side) terminal A.
Is there continuity?
•
INSPECT CONTROL VALVE BODY CIRCUIT
FOR SHORT TO GROUND
Inspect for continuity between the control valve
•
13
body connector (wiring harness-side) terminal
A and body ground.
Is there continuity?
•
INSPECT OIL PRESSURE SWITCH C
Inspect oil pressure switch C.
•
14
(See OIL PRESSURE SWITCH INSPECTION
.)
Is the oil pressure switch C normal?
•
VERIFY TROUBLESHOOTING OF DTC P0846
COMPLETED
15
Make sure to reconnect all disconnected
•
connectors.
Repair or replace the wiring harness, then
Yes
go to Step 15.
No Go to the next step.
Yes Go to the next step.
Repair or replace the connector and/or
No
terminal, then go to Step 15.
Yes Go to the next step.
Repair or replace the wiring harness, then
No
go to Step 15.
Repair or replace the wiring harness, then
Yes
go to Step 15.
No Go to the next step.
Yes Go to the next step.
Replace the oil pressure switch C, then go
to the next step.
No
(See OIL PRESSURE SWITCH
REMOVAL/INSTALLATION .)
Replace the TCM, then go to the next
step.
Yes
(See TCM REMOVAL/INSTALLATION
.)
(w) RX-8 Transmission (Manual & Auto)
Page 243