ON-BOARD DIAGNOSTIC
DTC P1634
Except for GF4A-EL Models
DTC P1634
Generator terminal B circuit open
DETECTION
CONDITION
PCM monitors input voltage from generator and battery positive terminal. If PCM detected that
generator output voltage is
above 18.5 V
and battery voltage
below 16.5 V
for
5 seconds
while
engine running, PCM determines that charging system has malfunction.
POSSIBLE
CAUSE
• Open circuit between the generator terminal B (harness-side) and the battery positive terminal
• Battery malfunction
• PCM malfunction
PCM
GENERATOR
0
n in
30
J
PCM
71
HARNESS SID E C O N N E C TO R
(VIEW FRO M T E R M IN A L SIDE)
¿ 3
r .r i i t i
1
1
r
1
1
1
h t i t
1
‘j
1
1
1
1
1
1
1
1
HARNESS SID E CO NNECTO R ^
9 7
(VIEW FROM TERM INAL SIDE)
Diagnostic procedure
STEP
INSPECTION
ACTION
1
VERIFY RELATED REPAIR INFORMATION
AVAILABILITY
• Check for related Service Information
availability.
• Is any related Service Information available?
Yes
Perform repair or diagnosis according to available
Service Information.
• If vehicle is not repaired, then go to next step.
No
Go to next step.
2
CLASSIFY INTERMITTENT CONCERN OR
CONTINUOUS CONCERN
• Start engine.
• Access ALTT V PID and B + PID using NGS
tQStQI*.
• Is ALTT V PID
above
17.0
V
and B + PID
below
11.0
V?
Yes
Go to next step.
No
Intermittent concern is existing. Go to
INTERMITTENT CONCERN TROUBLESHOOTING
procedure.
(See F1-142 No.26 INTERMITTENT CONCERNS)
3
INSPECT BATTERY
• Turn ignition key to OFF.
• Inspect battery.
(See Section G)
• Is battery okay?
Yes
Replace battery, then go to Step 7.
No
Go to next step.
F1-97
Summary of Contents for 626 Station Wagon
Page 25: ...CONTROL SYSTEM WIRING DIAGRAM With Immobilizer System OUTLINE F1 4 ...
Page 183: ...CONTROL SYSTEM COMPONENT LOCATION F2 7 ...
Page 204: ...MANUAL TRANSAXLE FEATURES OUTLINE J 2 OUTLINE OF CONSTRUCTION J 2 SPECIFICATIONS J 2 D J 1 ...
Page 266: ...SHIFT MECHANISM 6 Apply grease to the cam as shown K2 59 ...
Page 418: ...TROUBLESHOOTING KEYLESS ENTRY SYSTEM ON BOARD DIAGNOSTIC FUNCTION S 37 ...
Page 454: ...WARNING AND INDICATOR SYSTEM O p e ra tin g O rd e r T 32 ...