Nissan Silvia. Manual — part 152
Wiring Diagram
NMEC0701
TEC817
GI
MA
EM
LC
FE
CL
MT
AT
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DTC 0208 OVERHEAT (COOLING SYSTEM)
Wiring Diagram
EC-123
Diagnostic Procedure
NMEC0702
1
INSPECTION START
Do you have CONSULT-II?
Yes or No
Yes
©
GO TO 2.
No
©
GO TO 4.
2
CHECK COOLING FAN LOW SPEED OPERATION
With CONSULT-II
1. Turn ignition switch “ON”.
2. Select “COOLING FAN” in “ACTIVE TEST” mode with CONSULT-II.
3. Touch “LOW”.
SEF784Z
4. Make sure that cooling fan operates at low speed.
OK or NG
OK
©
GO TO 3.
NG
©
Check cooling fan low speed control circuit. (Go to PROCEDURE A, EC-129.)
3
CHECK COOLING FAN HIGH SPEED OPERATION
With CONSULT-II
1. Turn ignition switch “ON”.
2. Select “COOLING FAN” in “ACTIVE TEST” mode with CONSULT-II.
3. Touch “HIGH”.
SEF785Z
4. Make sure that cooling fan operates at higher speed than low speed.
OK or NG
OK
©
GO TO 6.
NG
©
Check cooling fan high speed control circuit. (Go to PROCEDURE B, EC-132.)
DTC 0208 OVERHEAT (COOLING SYSTEM)
Diagnostic Procedure
EC-124
4
CHECK COOLING FAN LOW SPEED OPERATION
Without CONSULT-II
1. Disconnect cooling fan relay-2.
SEC381C
2. Start engine and let it idle.
3. Set temperature lever at full cold position.
4. Turn air conditioner switch “ON”.
5. Turn blower fan switch “ON”.
6. Make sure that cooling fan operates at low speed.
SEC443C
OK or NG
OK
©
GO TO 5.
NG
©
Check cooling fan low speed control circuit. (Go to PROCEDURE A, EC-129.)
GI
MA
EM
LC
FE
CL
MT
AT
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DTC 0208 OVERHEAT (COOLING SYSTEM)
Diagnostic Procedure (Cont’d)
EC-125
5
CHECK COOLING FAN HIGH SPEED OPERATION
Without CONSULT-II
1. Turn ignition switch “OFF”.
2. Reconnect cooling fan relay-2.
3. Turn air conditioner switch and blower fan switch “OFF”.
4. Disconnect engine coolant temperature sensor harness connector.
5. Connect 150
Ω
resistor to engine coolant temperature sensor harness connector.
6. Restart engine and make sure that cooling fan operates at higher speed than low speed.
SEC444C
OK or NG
OK
©
GO TO 6.
NG
©
Check cooling fan high speed control circuit. (Go to PROCEDURE B, EC-132.)
6
CHECK COOLING SYSTEM FOR LEAK
Apply pressure to the cooling system with a tester, and check if the pressure drops.
Testing pressure: 157 kPa (1.57 bar, 1.6 kg/cm
2
, 23 psi)
CAUTION:
Higher than the specified pressure may cause radiator damage.
SLC754AB
Pressure should not drop.
OK or NG
OK
©
GO TO 7.
NG
©
Check the following for leak
I
Hose
I
Radiator
I
Water pump
Refer to LC-12, “Water Pump”.
DTC 0208 OVERHEAT (COOLING SYSTEM)
Diagnostic Procedure (Cont’d)
EC-126
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст