Nissan Altima HL32 Hybrid. Manual — part 669
P0AA6-526, P0AA6-611, P0AA6-612, P0AA6-613, P0AA6-614
HBC-425
< COMPONENT DIAGNOSIS >
D
E
F
G
H
I
J
K
L
M
A
B
HBC
N
O
P
OK
>> GO TO 7.
NG
>> Replace hybrid transaxle (See
TM-36, "Removal and Installation"
7.
INSPECT HYBRID TRANSAXLE (MG1)
CAUTION:
Be sure to wear insulated gloves.
1. Check that the service plug grip is not installed.
2. Check the connectors connection.
3. Using a megohmmeter set to 500 V, measure the resistance
according to the value(s) in the table below.
NOTE:
• Be sure to set the megohmmeter to 500 V when perform-
ing this test. Using a setting higher than 500 V can result
in damage to the component being inspected.
OK or NG
OK
>> Replace inverter with converter assembly (See
HBC-638, "Removal and Installation"
).
NG
>> Replace hybrid transaxle (See
TM-36, "Removal and Installation"
8.
CHECK AIR CONDITIONING HARNESS ASSEMBLY
CAUTION:
Be sure to wear insulated gloves.
1. Turn ignition switch OFF and remove the service plug grip (See
HBC-632, "Precautions for Inspecting the
NOTE:
After removing the service plug grip, do not turn ignition switch ON (READY), unless instructed by the ser-
vice manual because this may cause a malfunction.
2. Disconnect the air conditioning harness assembly from the elec-
tric compressor.
-
Green lock (1)
Dirt or foreign objects have not entered the connection, or there is no evidence
of contamination.
Generator Cable
Ground
Resistance
Harness connector
Terminal
—
U
Ground
20 M
Ω or higher
V
W
Generator Cable
Shielded wire
ground
Resistance
Harness connector
Terminal
—
U
Shielded wire
ground
20 M
Ω or higher
V
W
JMCIA0137GB
ALCIA0109ZZ
HBC-426
< COMPONENT DIAGNOSIS >
P0AA6-526, P0AA6-611, P0AA6-612, P0AA6-613, P0AA6-614
3. Using a megohmmeter set to 500 V, measure the resistance
according to the value(s) in the table below.
OK or NG
OK
>> Go to air conditioning system.
NG
>> Replace air conditioning harness assembly.
9.
CHECK FRAME WIRE
CAUTION:
Be sure to wear insulated gloves.
1. Check that the service plug grip is not installed.
2. Disconnect the frame wire from the HV relay assembly (See -
HBB-105, "Removal and Installation"
).
3. Using a megohmmeter set to 500 V, measure the resistance
according to the value(s) in the table below.
OK or NG
OK
>> GO TO10.
NG
>> Replace frame wire.
10.
CHECK HV BATTERY AREA
CAUTION:
Be sure to wear insulated gloves.
1. Turn ignition switch OFF and remove the service plug grip (See
HBC-632, "Precautions for Inspecting the
NOTE:
After removing the service plug grip, do not turn ignition switch ON (READY), unless instructed by the ser-
vice manual because this may cause a malfunction.
Air Conditioning Harness Assembly
Ground
Resistance
Harness connector
Terminal
F250
12 (–)
Ground
3 M
Ω or higher
11 (+)
Air Conditioning Harness Assembly
Ground
Resistance
Harness connector
Terminal
F250
12 (–)
Shielded wire
ground
3 M
Ω or higher
11 (+)
JMCIA0200GB
Battery smart unit
Ground
Resistance
Harness connector
Terminal
E308
21 (+)
Ground
10 M
Ω or higher
E309
22 (
−)
Battery smart unit
Ground
Resistance
Harness connector
Terminal
E308
21 (+)
Shielded wire
ground
10 M
Ω or higher
E309
22 (
−)
JMCIA0195GB
P0AA6-526, P0AA6-611, P0AA6-612, P0AA6-613, P0AA6-614
HBC-427
< COMPONENT DIAGNOSIS >
D
E
F
G
H
I
J
K
L
M
A
B
HBC
N
O
P
2. Disconnect the r3 battery smart unit connector.
3. Using a megohmmeter set to 500 V, measure the resistance
according to the value(s) in the table below.
NOTE:
• Be sure to set the megohmmeter to 500 V when perform-
ing this test. Using a setting higher than 500 V can result
in damage to the component being inspected.
OK or NG
OK
>> Replace battery smart unit (See
HBB-101, "Removal and Installation"
NG
>> GO TO 11.
11.
CHECK HYBRID VEHICLE CONVERTER
CAUTION:
Be sure to wear insulated gloves.
1. Check that the service plug grip is not installed.
2. Disconnect the w1, v1 and v3 hybrid vehicle converter (DC/DC
converter) connectors from the HV relay assembly (See
103, "Removal and Installation"
500 V, measure the resistance according to the value(s) in the
table below.
OK or NG
OK
>> GO TO 12.
NG
>> Replace hybrid vehicle converter (See
HBB-103, "Removal and Installation"
).
12.
CHECK HV RELAY ASSEMBLY
CAUTION:
Be sure to wear insulated gloves and protective goggles.
1. Check that the service plug grip is not installed.
2. Check that the high-voltage connectors (v1, v3 and w1) of the hybrid vehicle converter (DC/DC converter)
are connected securely.
JMCIA0154GB
Service plug grip
Ground
Resistance
Component connector
Terminal
−
1
Ground
10 M
Ω or higher
2
JMCIA0201GB
Component
connector
Terminal
Ground
Resistance
w1
1 (High voltage
precharge)
Ground
10 M
Ω or higher
v3
1 (High voltage +)
v1
1 (High voltage –)
JMCIA0156GB
HBC-428
< COMPONENT DIAGNOSIS >
P0AA6-526, P0AA6-611, P0AA6-612, P0AA6-613, P0AA6-614
3. Disconnect the high voltage connectors of the HV battery from
the HV relay assembly (See
HBB-105, "Removal and Installa-
4. Using a megohmmeter set to 500 V, measure the resistance
according to the value(s) in the table below.
5. Measure the voltage according to the value(s) in the table below.
NOTE:
The voltage decreases to below 1 V after 10 seconds. If the voltage is 1 V or higher, recheck the voltage
after 10 seconds.
OK or NG
OK
HBB-97, "Removal and Installation"
NG
>> Replace HV relay assembly (See
HBB-105, "Removal and Installation"
).
13.
CHECK HIGH VOLTAGE DIRECT CURRENT AREA
CAUTION:
Be sure to wear insulated gloves.
1. Turn ignition switch OFF and remove the service plug grip (See
HBC-632, "Precautions for Inspecting the
NOTE:
After removing the service plug grip, do not turn ignition switch ON (READY), unless instructed by the ser-
vice manual because this may cause a malfunction.
2. Remove the compressor fuse cover from the inverter with con-
verter assembly (See
HBC-638, "Removal and Installation"
JMCIA0157GB
HV Relay Assembly
Ground
Resistance
Component
connector
Terminal
E308
1 (High voltage +)
Ground
10 M
Ω or higher
E309
1 (High voltage
−)
t1
1 (High voltage
−)
s1
1 (High voltage +)
HV Relay Assembly
Ground
Voltage
Component
connector
Terminal
E308
21 (High voltage +)
Ground
Below 1 V
E309
22 (High voltage
−)
JMCIA0199GB
ALCIA0103ZZ
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