Infiniti I30 (A33). Manual — part 55
MAT823A
GI
MA
EM
LC
EC
FE
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
TROUBLE DIAGNOSES FOR SYMPTOMS
Wiring Diagram — AT — NONDTC (Cont’d)
AT-217
MAT975A
TROUBLE DIAGNOSES FOR SYMPTOMS
Wiring Diagram — AT — NONDTC (Cont’d)
AT-218
1. O/D OFF Indicator Lamp Does Not Come On
NHAT0088
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.
SAT611J
OK or NG
OK
©
GO TO 2.
NG
©
GO TO 3.
2
CHECK POWER SOURCE STEP 2
1. Turn ignition switch to OFF position.
2. Check voltage between TCM terminal 28 and ground.
SAT612J
OK or NG
OK
©
GO TO 4.
NG
©
GO TO 3.
3
DETECT MALFUNCTIONING ITEM
Check the following items:
I
Harness for short or open between ignition switch and TCM (Main harness)
Refer to “Wiring Diagram — AT — MAIN” in AT-99.
I
Ignition switch and fuse
Refer to EL-10, “POWER SUPPLY ROUTING”.
OK or NG
OK
©
GO TO 4.
NG
©
Repair or replace damaged parts.
GI
MA
EM
LC
EC
FE
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-219
4
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.
SAT515J
Continuity should exist.
If OK, check harness for short to ground and short to power.
OK or NG
OK
©
GO TO 5.
NG
©
Repair open circuit or short to ground or short to power in harness or connectors. Refer
to “Wiring Diagram — AT — MAIN” in AT-99.
5
CHECK LAMP CIRCUIT
1. Turn ignition switch to OFF position.
2. Check resistance between TCM terminals 10 and 13.
SAT360JA
Resistance:
50 - 100
Ω
3. Reinstall any part removed.
OK or NG
OK
©
GO TO 7.
NG
©
GO TO 6.
6
DETECT MALFUNCTIONING ITEM
Check the following items:
I
Harness and fuse for short or open between ignition switch and O/D OFF indicator lamp (Main harness)
Refer to EL-10, “POWER SUPPLY ROUTING”.
I
Harness for short or open between O/D OFF indicator lamp and TCM
OK or NG
OK
©
GO TO 7.
NG
©
Repair or replace damaged parts.
TROUBLE DIAGNOSES FOR SYMPTOMS
1. O/D OFF Indicator Lamp Does Not Come On (Cont’d)
AT-220
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