Nissan Titan. Instruction — part 606
MAIN POWER SUPPLY AND GROUND CIRCUIT
TM-107
< DTC/CIRCUIT DIAGNOSIS >
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
4. Check continuity between A/T assembly harness connector ter-
minals and TCM connector terminals.
5. If OK, check harness for short to ground and short to power.
OK or NG
OK
>> Replace the control valve with TCM. Refer to
TM-201, "Control Valve with TCM"
NG
>> Replace open circuit or short to ground and short to power in harness or connectors.
7.
DETECT MALFUNCTIONING ITEM (STEP 1)
Check the following items:
• Harness for short or open between battery and A/T assembly harness connector terminals 1, 2
• 10A fuse [No. 3, located in the fuse block (J/B)]
• Battery
OK or NG
OK
>> GO TO 2.
NG
>> Repair or replace damaged parts.
8.
DETECT MALFUNCTIONING ITEM (STEP 2)
Check the following items:
• Harness for short or open between ignition switch and A/T assembly harness connector terminal 6
• 10A fuse (No. 49, located in the IPDM E/R)
• IPDM E/R (Ignition relay)
• Ignition switch
OK or NG
OK
>> GO TO 4.
NG
>> Repair or replace damaged parts.
9.
CHECK TCM (TRANSMISSION CONTROL MODULE) RELAY
1. Disconnect TCM relay.
2. Check TCM relay. Refer to
TM-108, "Component Inspection"
.
OK or NG
OK
>> GO TO 10.
NG
>> Repair or replace damaged parts.
10.
DETECT MALFUNCTIONING ITEM (STEP 3)
Check the following items:
• Harness for short or open between ignition switch and TCM relay harness connector terminal 2
• Harness for short or open between battery and TCM relay harness connector terminal 5
• Harness for open between TCM relay harness connector terminal 1 and ground
• Harness for short or open between TCM relay harness connector terminal 3 and A/T assembly harness con-
nector terminal 6
• 10A fuse [No. 4, located in the fuse block (J/B)] and 10A fuse (No. 49, located in the IPDM E/R)
• IPDM E/R (Ignition relay)
• Ignition switch
OK or NG
Item
Connector
Terminal
Continuity
A/T assembly harness con-
nector (floor shift)
F9
5
Yes
A/T assembly harness con-
nector (column shift)
F17
TCM connector
F504
21
A/T assembly harness con-
nector (floor shift)
F9
10
Yes
A/T assembly harness con-
nector (column shift)
F17
TCM connector
F504
22
SCIA5465E
TM-108
< DTC/CIRCUIT DIAGNOSIS >
MAIN POWER SUPPLY AND GROUND CIRCUIT
OK
>> GO TO 4.
NG
>> Repair or replace damaged parts.
Component Inspection
INFOID:0000000009885867
1.
TCM (TRANSMISSION CONTROL MODULE) RELAY
Check the continuity between TCM relay terminals as per the follow-
ing conditions.
OK or NG
OK
>> INSPECTION END
NG
>> Replace the TCM relay.
+
−
Conditions
Continuity
TCM relay
Terminal
3
5
12 V direct current supply be-
tween terminals 1 and 2
Yes
No current supply
No
PBIB0098E
CLOSED THROTTLE POSITION AND WIDE OPEN THROTTLE POSITION CIR-
CUIT
TM-109
< DTC/CIRCUIT DIAGNOSIS >
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
CLOSED THROTTLE POSITION AND WIDE OPEN THROTTLE POSITION
CIRCUIT
CONSULT Reference Value in Data Monitor Mode
INFOID:0000000009885868
Diagnosis Procedure
INFOID:0000000009885869
1.
CHECK CAN COMMUNICATION LINE
Perform the self-diagnosis. Refer to
TM-38, "CONSULT Function (TRANSMISSION)"
Is a malfunction in the CAN communication indicated in the results?
YES
>> Check CAN communication line. Refer to
.
NO
>> GO TO 2.
2.
CHECK THROTTLE POSITION SIGNAL CIRCUIT
With CONSULT
1. Turn ignition switch “ON”. (Do not start engine.)
2. Select “ECU INPUT SIGNALS” in “DATA MONITOR” mode for “TRANSMISSION” with CONSULT.
3. Depress accelerator pedal and read out the value of “CLSD THL POS” and “W/O THL POS”.
OK or NG
OK
>> INSPECTION END
NG
>> Check the following items. If NG, repair or replace damaged parts.
• Perform the self-diagnosis for “ENGINE” with CONSULT.
• Open circuit or short to ground or short to power in harness or connectors.
• Pin terminals for damage or loose connection with harness connector.
Item name
Condition
Display value
CLSD THL POS
Released accelerator pedal.
ON
Fully depressed accelerator pedal.
OFF
W/O THL POS
Fully depressed accelerator pedal.
ON
Released accelerator pedal.
OFF
Accelerator Pedal Operation
Monitor Item
CLSD THL POS
W/O THL POS
Released
ON
OFF
Fully depressed
OFF
ON
TM-110
< DTC/CIRCUIT DIAGNOSIS >
BRAKE SIGNAL CIRCUIT
BRAKE SIGNAL CIRCUIT
CONSULT Reference Value in Data Monitor Mode
INFOID:0000000009885870
Diagnosis Procedure
INFOID:0000000009885871
1.
CHECK CAN COMMUNICATION LINE
Perform the self-diagnosis. Refer to
TM-38, "CONSULT Function (TRANSMISSION)"
Is a malfunction in the CAN communication indicated in the results?
YES
>> Check CAN communication line. Refer to
NO
>> GO TO 2.
2.
CHECK STOP LAMP SWITCH CIRCUIT
With CONSULT
1. Turn ignition switch “ON”. (Do not start engine.)
2. Select “ECU INPUT SIGNALS” in “DATA MONITOR” mode for “TRANSMISSION” with CONSULT.
3. Read out ON/OFF switching action of the “BRAKE SW”.
OK or NG
OK
>> INSPECTION END
NG
>> • Column shift models, GO TO 3
• Floor shift models, GO TO 4
3.
CHECK STOP LAMP SWITCH (COLUMN SHIFT MODELS)
Check continuity between stop lamp switch terminals 3 and 4.
Check stop lamp switch after adjusting brake pedal — refer to
BR-13, "Inspection and Adjustment - Standard Pedal"
"Inspection and Adjustment - Adjustable Pedal"
OK or NG
OK
>> Check stop lamp switch circuit.
NG
>> Repair or replace stop lamp switch.
4.
CHECK STOP LAMP SWITCH (FLOOR SHIFT MODELS)
Check continuity between stop lamp switch terminals 1 and 2.
Check stop lamp switch after adjusting brake pedal — refer to
BR-13, "Inspection and Adjustment - Standard Pedal"
"Inspection and Adjustment - Adjustable Pedal"
OK or NG
OK
>> Check stop lamp switch circuit.
NG
>> Repair or replace stop lamp switch.
Item name
Condition
Display value
BRAKE SW
Depressed brake pedal.
ON
Released brake pedal.
OFF
Condition
Continuity
When brake pedal is depressed
Yes
When brake pedal is released
No
AWDIA0419ZZ
Condition
Continuity
When brake pedal is depressed
Yes
When brake pedal is released
No
PBIB0118E
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