Mazda RX-8 Manual page 1160

INSPECT TR SWITCH CIRCUIT
Disconnect the TCM connector.
•
Turn the ignition switch to the ON position
•
(engine off).
Inspect each TCM (wiring harness-side)
•
terminal voltage.
1D
2C
4
2B
2E
Are the above voltage indicated when the
•
selector lever is shifted from P position to
D range?
INSPECT TR SWITCH CIRCUIT
5
Are all terminal voltage 0 V in Step 4?
•
INSPECT TR SWITCH CIRCUIT
6 Are there two or more terminals where the
•
voltage is abnormal in Step 4?
INSPECT TR SWITCH CONNECTOR FOR
POOR CONNECTION
Turn the ignition switch to the LOCK
•
7
position.
Inspect for poor connection (such as
•
damaged/pulled-out pins, corrosion).
Are the connector and terminals normal?
•
INSPECT TR SWITCH CIRCUIT FOR SHORT
8
TO GROUND
P position: B+
•
Other positions and all
•
ranges: 0 V
R position: B+
•
Other position and all
•
ranges: 0 V
N position: B+
•
Other position and all range:
•
0 V
D range: B+
•
Other ranges and all
•
positions: 0 V
Turn the ignition switch to the LOCK
•
position.
Connect the TCM connector.
•
Yes Go to the intermittent concern
•
troubleshooting procedure, then go to
Step 13.
(See INTERMITTENT CONCERN
TROUBLESHOOTING .)
No Go to the next step.
Yes Go to Step 10.
No Go to the next step.
Adjust the TR switch, then go to Step 13.
Yes
(See TRANSMISSION RANGE (TR)
SWITCH ADJUSTMENT .)
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 13.
Repair or replace the wiring harness, then go
Yes
to Step 13.
(w) RX-8 Transmission (Manual & Auto)
Page 135