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Nissan Quest E52. Manual - part 1183
C1601 BATTERY POWER SUPPLY
STC-21
< DTC/CIRCUIT DIAGNOSIS >
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C1601 BATTERY POWER SUPPLY
DTC Logic
INFOID:0000000009650871
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn ignition switch OFF and
wait at least 10 seconds before conducting the next test.
>> GO TO 2.
2.
DTC REPRODUCTION PROCEDURE
With CONSULT
1.
Turn the ignition switch OFF to ON.
2.
Perform “EPS” self-diagnosis.
Is DTC “C1601” detected?
YES
>> Proceed to diagnosis procedure. Refer to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000009650872
1.
CHECK POWER STEERING CONTROL MODULE GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect power steering control module harness connector.
3.
Check continuity between power steering control module harness connector terminal and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair open circuit or short to ground or short to power in harness or connectors, and repair or
replace error-detected parts.
2.
CHECK POWER STEERING CONTROL MODULE POWER SUPPLY CIRCUIT (1)
1.
Check voltage between power steering control module harness connector terminals and ground.
2.
Turn ignition switch ON.
CAUTION:
Never start the engine.
3.
Check voltage between power steering control module harness connector terminals and ground.
DTC
Display item
Malfunction detected condition
Possible cause
C1601
BATTERY VOLT
When a power supply voltage to the power steer-
ing control module is maintained at 18.5 V or more
or at less than 8.5 V continuously for 0.5 seconds
or more.
• Harness or connector
• Power steering control mod-
ule
• Fuse
• Battery power supply circuit
• Battery
Power steering control module
—
Continuity
Connector
Terminal
E33
2
Ground
Existed
Power steering control module
—
Voltage
(Approx.)
Connector
Terminal
E33
1
Ground
8.5 – 18.5 V