Nissan Titan. Instruction — part 590
DIAGNOSIS SYSTEM (TCM)
TM-43
< SYSTEM DESCRIPTION >
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
Diagnosis Procedure without CONSULT (Floor Shift Models)
INFOID:0000000009885701
OBD-II SELF-DIAGNOSTIC PROCEDURE (NO TOOLS)
EC-46, "On Board Diagnosis Function"
TCM SELF-DIAGNOSTIC PROCEDURE (NO TOOLS)
Description
When the ignition switch is switched “ON”, the A/T CHECK indicator lamp lights up for 2 seconds. As a method
for locating the suspect circuit, when the self-diagnostics start signal is input, the memory for the malfunction
location is output and the A/T CHECK indicator lamp flashes to display the corresponding DTC.
Diagnostic Procedure
1.
CHECK A/T CHECK INDICATOR LAMP
1. Start the engine with selector lever in “P” position. Warm engine to normal operating temperature.
2. Turn ignition switch ON and OFF at least twice, then leave it in the OFF position.
3. Wait 10 seconds.
4. Turn ignition switch ON. (Do not start engine.)
Does A/T CHECK indicator lamp come on for about 2 seconds?
YES
>> GO TO 2.
NO
>> Go to
.
2.
JUDGMENT PROCEDURE STEP 1
1. Turn ignition switch OFF.
2. Keep pressing shift lock release button.
3. Move selector lever from “P” to “D” position.
4. Release accelerator pedal. (Set the closed throttle position signal “ON”.)
5. Depress brake pedal. (Stop lamp switch signal “ON”.)
6. Turn ignition switch ON. (Do not start engine.)
7. Wait 3 seconds.
8. Move the selector lever from “D” to “3” position.
9. Release brake pedal. (Stop lamp switch signal “OFF”.)
10. Move the selector lever from “3” to “2” position.
11. Depress brake pedal. (Stop lamp switch signal “ON”.)
12. Depress accelerator pedal fully and release it.
DTC work support item
Description
Check item
1ST GR FNCTN P0731
Following items for “1GR incorrect ratio” be confirmed.
• Self-diagnosis status (whether the diagnosis is being performed
or not)
• Self-diagnosis result (OK or NG)
• Input clutch solenoid valve
• Front brake solenoid valve
• Direct clutch solenoid valve
• High and low reverse clutch
solenoid valve
• Each clutch
• Hydraulic control circuit
valve
2ND GR FNCTN P0732
Following items for “2GR incorrect ratio” be confirmed.
• Self-diagnosis status (whether the diagnosis is being performed
or not)
• Self-diagnosis result (OK or NG)
3RD GR FNCTN P0733
Following items for “3GR incorrect ratio” be confirmed.
• Self-diagnosis status (whether the diagnosis is being performed
or not)
• Self-diagnosis result (OK or NG)
4TH GR FNCTN P0734
Following items for “4GR incorrect ratio” be confirmed.
• Self-diagnosis status (whether the diagnosis is being performed
or not)
• Self-diagnosis result (OK or NG)
5TH GR FNCTN P0735
Following items for “5GR incorrect ratio” be confirmed.
• Self-diagnosis status (whether the diagnosis is being performed
or not)
• Self-diagnosis result (OK or NG)
TM-44
< SYSTEM DESCRIPTION >
DIAGNOSIS SYSTEM (TCM)
>> GO TO 3.
3.
CHECK SELF-DIAGNOSIS CODE
Check A/T CHECK indicator lamp.
Refer to "Judgment Self-diagnosis Code".
If the system does not go into self-diagnostics. Refer to
,
,
.
>> DIAGNOSIS END
Judgment Self-diagnosis Code
If there is a malfunction, the lamp lights up for the time corresponding to the suspect circuit.
Erase Self-diagnosis
JPDIA0024GB
No.
Malfunctioning item
No.
Malfunctioning item
1
Output speed sensor
12
Interlock
2
13
1st engine braking
3
Torque converter
14
Starter relay
4
15
TP sensor
5
Input clutch solenoid
16
Engine speed
6
Front brake solenoid
17
7
Low coast brake solenoid
18
1GR incorrect ratio
8
High and low reverse clutch solenoid
19
2GR incorrect ratio
9
20
3GR incorrect ratio
10
Transmission fluid temperature sensor
21
4GR incorrect ratio
11
Input speed sensor
22
5GR incorrect ratio
DIAGNOSIS SYSTEM (TCM)
TM-45
< SYSTEM DESCRIPTION >
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
• In order to make it easier to find the cause of hard-to-duplicate malfunctions, malfunction information is
stored into the control unit as necessary during use by the user. This memory is not erased no matter how
many times the ignition switch is turned ON and OFF.
• However, this information is erased by turning ignition switch OFF after executing self-diagnostics or by
erasing the memory using the CONSULT.
Diagnosis Procedure without CONSULT (Column Shift Models)
INFOID:0000000009885702
OBD-II SELF-DIAGNOSTIC PROCEDURE (NO TOOLS)
EC-46, "On Board Diagnosis Function"
TCM SELF-DIAGNOSTIC PROCEDURE (NO TOOLS)
Description
When the ignition switch is switched “ON”, the A/T CHECK indicator lamp lights up for 2 seconds. As a method
for locating the suspect circuit, when the self-diagnostics start signal is input, the memory for the malfunction
location is output and the A/T CHECK indicator lamp flashes to display the corresponding DTC.
Diagnostic Procedure
1.
CHECK A/T CHECK INDICATOR LAMP
1. Start the engine with selector lever in “P” position. Warm engine to normal operating temperature.
2. Turn ignition switch ON and OFF at least twice, then leave it in the OFF position.
3. Wait 10 seconds.
4. Turn ignition switch ON. (Do not start engine.)
Does A/T CHECK indicator lamp come on for about 2 seconds?
YES
>> GO TO 2.
NO
>> Go to
.
2.
JUDGMENT PROCEDURE STEP 1
1. Turn ignition switch OFF.
2. Keep pressing shift lock release button.
3. Move selector lever from “P” to “D” position.
4. Release accelerator pedal. (Set the closed throttle position signal “ON”.)
5. Depress brake pedal. (Stop lamp switch signal “ON”.)
6. Turn ignition switch ON. (Do not start engine.)
7. Wait 3 seconds.
8. Move the selector lever from “D” to “M” position.
9. Release brake pedal. (Stop lamp switch signal “OFF”.)
10. Move the selector lever from “M” to “D” position.
11. Depress brake pedal. (Stop lamp switch signal “ON”.)
12. Depress accelerator pedal fully and release it.
>> GO TO 3.
3.
CHECK SELF-DIAGNOSIS CODE
Check A/T CHECK indicator lamp.
Refer to "Judgment Self-diagnosis Code".
If the system does not go into self-diagnostics. Refer to
,
,
.
>> DIAGNOSIS END
Judgment Self-diagnosis Code
TM-46
< SYSTEM DESCRIPTION >
DIAGNOSIS SYSTEM (TCM)
If there is a malfunction, the lamp lights up for the time corresponding to the suspect circuit.
Erase Self-diagnosis
• In order to make it easier to find the cause of hard-to-duplicate malfunctions, malfunction information is
stored into the control unit as necessary during use by the user. This memory is not erased no matter how
many times the ignition switch is turned ON and OFF.
• However, this information is erased by turning ignition switch OFF after executing self-diagnostics or by
erasing the memory using the CONSULT.
JPDIA0024GB
No.
Malfunctioning item
No.
Malfunctioning item
1
Output speed sensor
12
Interlock
2
13
1st engine braking
3
Torque converter
14
Starter relay
4
15
TP sensor
5
Input clutch solenoid
16
Engine speed
6
Front brake solenoid
17
7
Low coast brake solenoid
18
1GR incorrect ratio
8
High and low reverse clutch solenoid
19
2GR incorrect ratio
9
20
3GR incorrect ratio
10
Transmission fluid temperature sensor
21
4GR incorrect ratio
11
Input speed sensor
22
5GR incorrect ratio
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