Nissan GT-R (R35) · Service Manual
SUSPENSION
SUSPENSION › SUSPENSION CONTROL SYSTEM › COMPONENT DIAGNOSIS
C1D17 BATTERY POWER SUPPLY
Bilstein DampTronic
C1D17
Description
DTC Logic
Diagnosis Procedure
Description
Power supply for E-SUS control unit.
DTC Logic
DTC DETECTION LOGIC
DTC
Display Item
Malfunction detected condition
Possible causes
C1D17
BATTERY VOLT
A malfunction is detected in the battery supply voltage to E-SUS control unit.
Harness or connector
E-SUS control unit
DTC REPRODUCTION PROCEDURE
1.DTC REPRODUCTION PROCEDURE
With CONSULT-III
Turn the ignition switch OFF to ON.
Perform E-SUS control unit self-diagnosis.
Is DTC “C1D17” detected?
YES
>>
Proceed to diagnosis procedure. Refer to
Diagnosis Procedure (GT-R certified NISSAN dealer)
.
NO
>>
INSPECTION END
Diagnosis Procedure
1.CHECK E-SUS CONTROL UNIT GROUND
Turn the ignition switch OFF.
Disconnect the E-SUS control unit harness connector.
Check the continuity between the E-SUS control unit harness connector and ground.
E-SUS control unit
—
Continuity
Connector
Terminal
M110
22
Ground
Existed
Is the inspection result normal?
YES
>>
GO TO 2.
NO
>>
Repair or replace an applicable harness or connector.
2.CHECK E-SUS CONTROL UNIT POWER SUPPLY
Start the engine.
■ CAUTION ■
Always hold the vehicle stopped.
Check the voltage between the E-SUS control unit harness connector terminals.
E-SUS control unit
Voltage
Connector
Between terminals
M110
23 – 22
Battery voltage
19 – 22
Is the measured value “9.5 V” or less?
YES
>>
Check the following items, and repair or replace the malfunctioning parts.
Open circuit in 15 A fuse (#37)
Short circuit between the 15 A fuse (#37) connector and E-SUS control unit harness connector terminal 23
Open circuit between the battery and E-SUS control unit harness connector terminal 23
Open circuit in 10 A fuse (#45)
Short circuit between the 10 A fuse (#45) connector and E-SUS control unit harness connector terminal 19
Short circuit between the 10 A fuse (#45) connector and set-up switch (suspension) harness connector terminal 18
Open circuit between the ignition switch and E-SUS control unit harness connector terminal 19
Battery or ignition switch
NO
>>
GO TO 3.
3.CHECK TERMINAL
Check that there is no malfunction in the pin terminals and connection of the E-SUS control unit harness connector.
Is the inspection result normal?
YES
>>
GO TO 4.
NO
>>
Repair or replace error-detected parts.
4.CHECK E-SUS CONTROL UNIT SIGNAL
With CONSULT-III
Connect the E-SUS control unit harness connector.
Start the engine.
■ CAUTION ■
Always hold the vehicle stopped.
Check the value of “BATTERY VOL” on “DATA MONITOR” screen for E-SUS control unit.
Is the value in “DATA MONITOR”“16 V” or more?
YES
>>
Perform the diagnosis by symptom for the charging system. Refer to
Symptom Table
.
NO
>>
Replace E-SUS control unit. Refer to
Exploded View (GT-R certified NISSAN dealer)
.
DTC DETECTION LOGIC
1.DTC REPRODUCTION PROCEDURE
With CONSULT-III