Mazda 1990 323 Workshop Manual Supplement page 217

'.-
TROUBLESHOOTING GUIDE
K2
ABNORMAL SHIFT
SCRIP-
*Abnormal shifting (ex. 1st -+ 3rd, 1st + OD)
)N
ROUBLESHOOTING HINTS]
ATF level low
@ Shift solenoid valves stuck (l-2, 2-3, or 3-4)
Throttle sensor malfunction or misadjusted
@ Control valve stuck (Pressure regulator valve, 1-2 shift
Pulse generator malfunction
valve, 2-3 shift valve, or 3-4 shift valve)
Hold switch circuit shorted
@ Hydraulic circuit clogged or leaking
2-4 brake band misadjusted
.P INSPECTION ACTION
Check if ATF level is OK Yes
Go to next step
w page K2-134
Level:
Between notches on HOT side of level
gauge at 65% (149OF)
HOT RANGE
No
Add ATF to specified level w page K2-134
Check if ATF condition is OK
Yes Go to next step
w page K2-134
@ Clear pink: Normal condition
@ Dark or black (with friction material): Worn
powertrain components
@ Milky pink: Water contamination
@ Light to dark brown (Oxidation): Overheated
or old fluid
No No.2 condition
Overhaul transaxle and repair or
replace parts as necessary
w page K2-134
No.3 or No.4 condition
Replace ATF
K2-4 1