Mazda B-Series 1997 Workshop Manual page 739

ELECTRONIC SHIFT TRANSFER CASE
STEP INSPECTION
37
1
Key OFF.
I
GEM T-223 connector and transfer case motor
I
connector disconnected.
Check between connector on circuit (PUN) for
resistance.
1
ACTION
I
Service circuit (Y) for open.
,
Clear all DTCs and retest system.
Yes
-
1
Yes
I
GO to step
39.
I
Replace transfer case shift motor.
Reconnect all connectors.
Clear all DTCs and retest system.
~ e m o v e GEM T-223 connector.
Disconnect transfer case motor.
Check circuit (W), T-223 connector pin 20, for continuity
to ground.
Is resistance greater than 1 O O k ohms?
continuity. With Is continuity both connectors less than stiil 5 ohms? F r " _ . . c a s e removed, check circuit (W) for
Clear all DTCs and retest shiftmotor. system.
Service circuit (W) for open.
Clear all DTCs and retest system.
No
Key OFF.
Gain access to GEM module.
Disconnect GEM T-223 connector.
Disconnect transfer case motor.
Check T-223 connector pin 19 for continuity to ground.
Is continuity present?
With both connectors still removed, check circuit (BRM)
for continuity between connectors.
Is continuity present?
Service circuit (W) for short to ground.
Reconnect all connectors.
Clear all DTCs and retest system.
Go to step
41.
Yes
Service circuit (BRM) for short to ground.
Clear all DTCs and retest system.
Service circuit (BRM) for open.
Reconnect all connectors.
Clear all DTCs and retest system.
Go to step 42.
Yes
Key OFF. Yes
Gain access to GEM module.
Disconnect GEM T-223 connector.
I
Disconnect transfer case motor.
Check T-223 connector pin 18 for continuity to ground.
Is continuity present?
Replace transfer case shift motor.
Reconnect all connectors.
Clear all DTCs and retest system.
Service circuit ( O M ) for short to ground.
Reconnect all connectors.
Clear all DTCs and retest system.
Go to step 43.
I
Replace transfer case shift motor.
Reconnect all connectors.
Clear all DTCs and retest system.
Service circuit ( O M ) for open.
Reconnect all connectors.
Clear all DTCs and retest system.
With both connectors still disconnected, check for
continuity between connectors on circuit (OM).
Is continuity present?
Yes
- -
No
Key OFF.
Gain access to GEM module.
Remove GEM T-223 connector and disconnect transfer
case shift motor connector.
Check circuit ( Y M ) for c:ontinuity to ground.
Is continuity present?
Yes
Service circuit (YIW) for short to ground.
Reconnect all connectors.
Clear all DTCs and retest system.
Go to step 45.
yes
1
Replace transfer case shift motor. Reconnect all
connectors. Clear all DTCs and retest system.
45
Service circuit ( Y M ) for open. Reconnect all
connectors. Clear all DTCs and retest system.
- - -
- -
Service circuit ( Y M ) for battery short.
Reconnect, clear all DTCs and retest system.
With both connectors still disconnected, check for
continuity between connectors on circuit (YtW).
Is continuity present?
46
1
Key OFF.
/
Remove GEM T-223 connector
I
Yes
Disconnect transfer case shift motor.
Key ON.
47
1
Ch31; ; ;
voltage on circuit ( Y M ) T-223 connector
Is battery voltage present?
Reconnect transfer case shift motor.
:
Reconnect GEM T-223 connector.
Key ON.
Check voltage at T-223 connector pin 12 for battery
voltage to ground.
Clear all DTCs and rerun self test.
Yes Replace transfer case shift motor.
Clear all DTCs and retest system.