Infiniti G20 (P11). Manual — part 57
SAT466J
1. O/D OFF Indicator Lamp Does Not Come On
=NCAT0081
SYMPTOM:
O/D OFF indicator lamp does not come on for about 2 seconds
when turning ignition switch to “ON”.
1
CHECK TCM POWER SOURCE
1. Turn ignition switch to “ON” position.
(Do not start engine.)
2. Check voltage between TCM terminals 10, 19, 28 and ground.
Voltage: Battery voltage
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3. Turn ignition switch to “OFF” position.
4. Check voltage between TCM terminal 28 and ground.
Voltage: Battery voltage
OK or NG
OK
©
GO TO 2.
NG
©
Check the following items:
I
Harness for short or open between ignition switch and TCM (Main harness) Refer to
“Wiring Diagram — AT — MAIN”, AT-104.
I
Ignition switch and fuse Refer to EL-9, “POWER SUPPLY ROUTING”.
GI
MA
EM
LC
EC
FE
CL
MT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
TROUBLE DIAGNOSES FOR SYMPTOMS
1. O/D OFF Indicator Lamp Does Not Come On
AT-225
2
CHECK TCM GROUND CIRCUIT
1. Turn ignition switch to “OFF” position.
2. Disconnect TCM harness connector.
3. Check continuity between TCM terminals 25, 48 and ground.
SAT468J
Continuity should exist.
If OK, check harness for short to ground and short to power.
OK or NG
OK
©
GO TO 3.
NG
©
Repair open circuit or short to ground or short to power in harness or connectors. Refer
to “Wiring Diagram — AT — MAIN”, AT-104.
3
CHECK LAMP CIRCUIT
1. Turn ignition switch to “OFF” position.
2. Check resistance between TCM terminals 13 and 10.
Resistance: 50 - 100
Ω
SAT469JA
3. Reinstall any part removed.
OK or NG
OK
©
GO TO 4.
NG
©
Check the following items:
I
O/D OFF indicator lamp.
Refer to EL-84, “METERS AND GAUGES”.
I
Harness and fuse for short or open between ignition switch and O/D OFF indicator
lamp (Main harness)
Refer to EL-9, “POWER SUPPLY ROUTING”.
I
Harness for short or open between O/D OFF indicator lamp and TCM.
TROUBLE DIAGNOSES FOR SYMPTOMS
1. O/D OFF Indicator Lamp Does Not Come On (Cont’d)
AT-226
4
CHECK SYMPTOM
Check again.
OK or NG
OK
©
INSPECTION END
NG
©
1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness con-
nector.
GI
MA
EM
LC
EC
FE
CL
MT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
TROUBLE DIAGNOSES FOR SYMPTOMS
1. O/D OFF Indicator Lamp Does Not Come On (Cont’d)
AT-227
2. Engine Cannot Be Started In “P” and “N”
Position
=NCAT0082
SYMPTOM:
I
Engine cannot be started with selector lever in “P” or “N”
position.
I
Engine can be started with selector lever in “D”, “2”, “1”
or “R” position.
1
CHECK PNP SWITCH CIRCUIT
With CONSULT-II
Does “TCM INPUT SIGNALS” in “DATA MONITOR” show damage to PNP switch circuit?
Without CONSULT-II
Does self-diagnosis show damage to PNP switch circuit?
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Yes or No
Yes
©
Check PNP switch circuit. Refer to “DTC P0705”, AT-107.
No
©
GO TO 2.
2
CHECK PNP SWITCH INSPECTION
Check for short or open of PNP switch harness connector terminals 1 and 2.
Refer to “Component Inspection”, AT-112.
SAT408J
OK or NG
OK
©
GO TO 3.
NG
©
Repair or replace PNP switch.
3
CHECK STARTING SYSTEM
Check starting system. Refer to SC-10, “STARTING SYSTEM”.
OK or NG
OK
©
INSPECTION END
NG
©
Repair or replace damaged parts.
TROUBLE DIAGNOSES FOR SYMPTOMS
2. Engine Cannot Be Started In “P” and “N” Position
AT-228
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