Infiniti I35 (A33). Manual — part 516
NHGI0006
NOTICE:
Trouble diagnoses indicate work procedures required to diagnose
incidents effectively. Observe the following instructions before diag-
nosing.
1)
Before performing trouble diagnoses, read the “Prelimi-
nary Check”, the “Symptom Chart” or the “Work Flow”.
2)
After repairs, re-check that the problem has been com-
pletely eliminated.
3)
Refer to Component Parts and Harness Connector Loca-
tion for the Systems described in each section for
identification/location of components and harness con-
nectors.
4)
Refer to the Circuit Diagram for quick pinpoint check.
If you need to check circuit continuity between harness
connectors in more detail, such as when a sub-harness is
used, refer to Wiring Diagram in each individual section
and Harness Layout in EL section for identification of har-
ness connectors.
5)
When checking circuit continuity, ignition switch should
be OFF.
6)
Before checking voltage at connectors, check battery volt-
age.
7)
After accomplishing the Diagnostic Procedures and Elec-
trical Components Inspection, make sure that all harness
connectors are reconnected as they were.
MA
EM
LC
EC
FE
AT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
HOW TO FOLLOW TROUBLE DIAGNOSES
GI-35
How to Follow Test Groups in Trouble
Diagnoses
NHGI0006S01
SGI138AA
1)
Work and diagnostic procedure
Start to diagnose an incident using procedures indicated in
enclosed test groups.
2)
Questions and required results.
Questions and required results are indicated in bold type in test
group.
The meaning of are as follows:
a. Battery voltage
→
11 - 14V or approximately 12V
b. Voltage: Approximately 0V
→
Less than 1V
3)
Symbol used in illustration
Symbols included in illustrations refer to measurements or pro-
cedures. Before diagnosing a problem, familiarize yourself with
each symbol. Refer to “CONNECTOR SYMBOLS” (GI-16) and
“Key to Symbols Signifying Measurements or Procedures” (GI-
38).
4)
Action items
Next action for each test group is indicated based on result of
each question. Test group number is shown in the left upper
portion of each test group.
HOW TO FOLLOW TROUBLE DIAGNOSES
How to Follow Test Groups in Trouble Diagnoses
GI-36
AGI070
Harness Wire Color and Connector Number
Indication
NHGI0006S03
There are two types of harness wire color and connector number
indication.
TYPE 1: HARNESS WIRE COLOR AND CONNECTOR
NUMBER ARE SHOWN IN ILLUSTRATION
NHGI0006S0301
I
Letter designations next to test meter probe indicate harness
wire color.
I
Connector numbers in a single circle (e.g. M33) indicate har-
ness connectors.
I
Connector numbers in a double circle (e.g. F211) indicate com-
ponent connectors.
TYPE 2: HARNESS WIRE COLOR AND CONNECTOR
NUMBER ARE SHOWN IN TEXT
NHGI0006S0302
SGI144A
MA
EM
LC
EC
FE
AT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
HOW TO FOLLOW TROUBLE DIAGNOSES
Harness Wire Color and Connector Number Indication
GI-37
Key to Symbols Signifying Measurements or
Procedures
NHGI0006S02
Symbol
Symbol explanation
Symbol
Symbol explanation
Check after disconnecting the con-
nector to be measured.
Procedure with Generic Scan Tool
(GST, OBD-II scan tool)
Check after connecting the connector
to be measured.
Procedure without CONSULT-II or
GST
Insert key into ignition switch.
A/C switch is “OFF”.
Remove key from ignition switch.
A/C switch is “ON”.
Turn ignition switch to “OFF” position.
REC switch is “ON”.
Turn ignition switch to “ON” position.
REC switch is “OFF”.
Turn ignition switch to “START” posi-
tion.
Fan switch is “ON”. (At any position
except for “OFF” position)
Turn ignition switch from “OFF” to
“ACC” position.
Fan switch is “OFF”.
Turn ignition switch from “ACC” to
“OFF” position.
Apply positive voltage from battery
with fuse directly to components.
Turn ignition switch from “OFF” to
“ON” position.
Drive vehicle.
Turn ignition switch from “ON” to
“OFF” position.
Disconnect battery negative cable.
Do not start engine, or check with
engine stopped.
Depress brake pedal.
Start engine, or check with engine
running.
Release brake pedal.
Apply parking brake.
Depress accelerator pedal.
Release parking brake.
Release accelerator pedal.
HOW TO FOLLOW TROUBLE DIAGNOSES
Key to Symbols Signifying Measurements or Procedures
GI-38
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