Poor Acceleration - Mazda B-Series 1997 Workshop Manual

K
SYMPTOM TROUBLESHOOTING
[TROUBLESHOOTING HINTS]
O Control valve body malfunction
Q
Torque converter clutch solenoid stuck
O Torque converter stuck
POOR ACCELERATION
-
STEP
'
DRIVEAWAY
ON ACCELERATION
- -
- -
INSPECTION
Are any diagnostic trouble codes displayed
during Key On Engine Off, Key On Engine
Running or continuous memory inspection?
page K-31
Engine speed increases normally but vehicle speed slowly increases during acceleration
- - - -
- -
-
code(~) displayed
Check for cause of code(s)
page K-36
Yes
Is control pressure OK?
ACTION
Go to next step
page K-91
Yes
I
Go to next step
- -
Repair or replace parts as necessary (Refer to
Pressure Test Diagnostic Chart on page K-92)
Is torque converter clutch solenoid OK?
1
Yes
1
Go to next step
page K-76
-----
-
Replace torque converter clutch solenoid
N
- - - -
Is transmission terminal voltage OK with
solenoid valve connector disconnected?
1
condition4 Terminal
- -
- - -
- - -
-
voltage
10
7
Batteryo~tltlve
voltage
-
- - - - -
- - -- - - - -
- -
Is term~nal voltage at PCM correct w~th PCM
connector disconnected?
2
- - - - - - - - - - - -
- -
1
N O
Check for open or short circuit In wring harness
(Solenold valve term~nal [I 01 - power relay)
Yes
(
Replace PCM
- - -
page K-89
B+: Battery positive voltage
I
- - - - - -- - - - - - - - -
Check for open or short circuit in wring harness
clutch