Mazda MX-6 1998, Workshop Manual

Page: 691 / 1282

TROUBLESHOOTING [LA4A-EL]
Pinpoint test BF
CONTINUOUS
DTC P1783
Automatic transaxle fluid (ATF) temperature exceeded 132 °C {270 °F)
DESCRIPTION
DTC P1783 indicates a transaxle over temperature condition occurred
POSSIBLE
CAUSE
• Damaged transaxle cooling system
• Excessive loading, e.g. trailer towing
• Damaged clutch
• Improper transaxle fluid level
• Damaged transaxle connector
STEP INSPECTION ACTION
BF1
CONTINUOUS MEMORY DTC P1783: RERUN
KEY ON ENGINE OFF (KOEO) SELF-TEST
• Key oft.
• Connect NGS tester to DLC.
• Disconnect transaxle connector. Inspect for
damaged or pushed out pins, corrosion, loose
wires, etc. Service as necessary and
reconnect.
• Rerun KOEO self-test and record all DTCs.
• Any transaxle related DTCs generated?
Yes
Address any transaxle related diagnostic trouble codes
(DTCs) by referring to diagnostic trouble code charts,
c r 0 5 -0 1 A AUTOMATIC TRANSAXLE ON-BOARD
DIAGNOSIS [LA4A-EL], Diagnostic Trouble Code
No
Refer to Symptom Troubleshooting for over temperature
condition (check clutch, transaxle fluid level etc.).
t r 0 5 -0 1 A AUTOMATIC TRANSAXLE SYMPTOM
TROUBLESHOOTING [LA4A-EL]
Pinpoint test C
P0741
P0743
DTC
P1742
P1743
P1744
P1767
TCC
control engagement error
TCC
solenoid circuit failure during self-test
TCC
solenoid failed on
(MIL
turned on)
TCC solenoid failed on (O/D OFF indicator light turned on)
TCC
system malfunction (stuck off)
TCC
solenoid circuit failure during self-test
DESCRIPTION
This pinpoint test is intended to diagnose the following components:
• Transaxle wiring harness, TCC, power circuit
• PCM
POSSIBLE
CAUSE
• Engine: Performance, cooling
• Electrical: Battery, input sensors, wiring harnesses, brake switch
• Transaxle: Internal transaxle components, linkage, cooling
STEP INSPECTION
ACTION
C1 ELECTRONIC DIAGNOSTICS
• Check the solenoid body connector is fully
seated, terminals are fully engaged in the
connector and in good condition before
proceeding.
• Connect NGS tester.
• Perform key on engine off (KOEO) test until
continuous memory DTC have been displayed.
• Enter output test mode.
ter 01-01A ENGINE ON-BOARD DIAGNOSIS
[FS]
• Select TCC PID.
• Cycle TCC solenoid ON/OFF by selecting
ON/OFF mode.
• Does TCC PID cycle?
Yes Go to next step.
No
If vehicle did not enter output state (Diagnostic test mode
(DTM)).
D- 01-01A ENGINE ON-BOARD DIAGNOSIS [FS]
0 5 -0 1 A - 1 6