Nissan Maxima. Manual — part 1144
TM-40
< SYSTEM DESCRIPTION >
[CVT: RE0F09B]
DIAGNOSIS SYSTEM (TCM)
SOLMON1 (A)
X
X
Torque converter clutch solenoid valve monitor
current
SOLMON2 (A)
X
X
Line pressure solenoid valve monitor current
SOLMON3 (A)
X
X
Secondary pressure solenoid valve monitor cur-
rent
RANGE SW 3M (On/Off)
X
—
Transmission range switch 3 ON-OFF status
monitor
RANGE SW 4 (On/Off)
X
—
Transmission range switch 4 ON-OFF status
RANGE SW 3 (On/Off)
X
—
Transmission range switch 3 ON-OFF status
RANGE SW 2 (On/Off)
X
—
Transmission range switch 2 ON-OFF status
RANGE SW 1 (On/Off)
X
—
Transmission range switch 1 ON-OFF status
BRAKESW (On/Off)
X
X
Stop lamp switch (signal input via CAN communi-
cations)
FULL SW (On/Off)
X
X
Signal input via CAN communications
IDLE SW (On/Off)
X
X
SPORT MODE SW (On/Off)
X
X
Not mounted but displayed.
STRDWNSW (On/Off)
X
—
Responds only to vehicles with addle shifter
STRUPSW (On/Off)
X
—
DOWNLVR (On/Off)
X
—
Responds only to vehicles with manual mode
UPLVR (On/Off)
X
—
NONMMODE (On/Off)
X
—
MMODE (On/Off)
X
—
INDLRNG (On/Off)
—
—
—
INDDRNG (On/Off)
—
—
“D” position indicator output
INDNRNG (On/Off)
—
—
“N” position indicator output
INDRRNG (On/Off)
—
—
“R” position indicator output
INDPRNG (On/Off)
—
—
“P” position indicator output
CVT LAMP (On/Off)
—
—
—
SPORT MODE IND (On/Off)
—
—
Not mounted but displayed.
MMODE IND (On/Off)
—
—
—
SMCOIL D (On/Off)
—
—
Step motor coil “D” energizing status
SMCOIL C (On/Off)
—
—
Step motor coil “C” energizing status
SMCOIL B (On/Off)
—
—
Step motor coil “B” energizing status
SMCOIL A (On/Off)
—
—
Step motor coil “A” energizing status
LUSEL SOL OUT (On/Off)
—
—
—
REV LAMP (On/Off)
—
X
—
STRTR RLY OUT (On/Off)
—
—
Starter relay
Monitored item (Unit)
Monitor item selection
Remarks
ECU IN-
PUT SIG-
NALS
MAIN SIG-
NALS
SELEC-
TION
FROM
MENU
DIAGNOSIS SYSTEM (TCM)
TM-41
< SYSTEM DESCRIPTION >
[CVT: RE0F09B]
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
Diagnostic Tool Function
INFOID:0000000010113454
OBD-II SELF-DIAGNOSTIC PROCEDURE (WITH GST)
EC-127, "GST (Generic Scan Tool)"
LUSEL SOL MON (On/Off)
—
—
—
STRTR RLY MON (On/Off)
—
—
Starter relay monitor
VDC ON (On/Off)
X
—
—
TCS ON (On/Off)
X
—
—
ABS ON (On/Off)
X
—
—
ACC ON (On/Off)
X
—
Not mounted but displayed.
RANGE
—
X
Indicates position is recognized by TCM. Indi-
cates a specific value required for control when
fail-safe function is activated.
M GEAR POS
—
X
Not mounted but displayed.
CVT-A
—
—
—
CVT-B
—
—
—
Monitored item (Unit)
Monitor item selection
Remarks
ECU IN-
PUT SIG-
NALS
MAIN SIG-
NALS
SELEC-
TION
FROM
MENU
TM-42
< DTC/CIRCUIT DIAGNOSIS >
[CVT: RE0F09B]
U0100 LOST COMMUNICATION (ECM A)
DTC/CIRCUIT DIAGNOSIS
U0100 LOST COMMUNICATION (ECM A)
DTC Logic
INFOID:0000000010113455
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PREPARATION BEFORE WORK
If another “DTC CONFIRMATION PROCEDURE” occurs just before, turn ignition switch OFF and wait for at
least 10 seconds, then perform the next test.
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE
1. Start the engine and wait for at least 5 seconds.
2. Check the first trip DTC.
Is “U0100” detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010113456
For the diagnosis procedure, refer to
LAN-15, "Trouble Diagnosis Flow Chart"
DTC
Trouble diagnosis name
DTC detection condition
Possible causes
U0100
Lost Communication With
ECM/PCM A
When the ignition switch is ON, TCM is un-
able to receive the CAN communications
signal from ECM continuously for 2 sec-
onds or more.
• ECM
• Harness or connector
(CAN communication line is open or
shorted)
U1000 CAN COMM CIRCUIT
TM-43
< DTC/CIRCUIT DIAGNOSIS >
[CVT: RE0F09B]
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
U1000 CAN COMM CIRCUIT
Description
INFOID:0000000010113457
CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent malfunction detection ability.
Many electronic control units are equipped onto a vehicle, and each control unit shares information and links
with other control units during operation (not independent). In CAN communication, control units are con-
nected with 2 communication lines (CAN-H and CAN-L) allowing a high rate of information transmission with
less wiring. Each control unit transmits/receives data but selectively reads required data only.
DTC Logic
INFOID:0000000010113458
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
NOTE:
Immediately after performing any “DTC CONFIRMATION PROCEDURE”, always turn ignition switch OFF.
Then wait at least 10 seconds before performing the next test.
1.
CHECK DTC DETECTION
With CONSULT
1. Turn ignition switch ON.
2. Start engine and wait for at least 6 seconds.
3. Perform “Self Diagnostic Results” in “TRANSMISSION”.
With GST
Follow the procedure “With CONSULT”.
Is “U1000” detected?
YES
>> Go to
NO
>> Check intermittent incident. Refer to
GI-41, "Intermittent Incident"
.
Diagnosis Procedure
INFOID:0000000010113459
1.
CHECK CAN COMMUNICATION CIRCUIT
With CONSULT
1. Turn ignition switch ON and start engine.
2. Perform “Self Diagnostic Results” in “TRANSMISSION”.
Is “U1000” indicated?
YES
>> Go to LAN section. Refer to
LAN-24, "CAN System Specification Chart"
NO
>> Check intermittent incident. Refer to
GI-41, "Intermittent Incident"
.
DTC
Trouble diagnosis name
DTC is detected if...
Possible cause
U1000
CAN Communication Line
When TCM is not transmitting or receiving
CAN communication signal for 2 seconds or
more.
Harness or connectors
(CAN communication line is open or short-
ed.)
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