Nissan Murano: Dtc/circuit Diagnosis / P1212 Tcs Communication Line
DESCRIPTION
This CAN communication line is used to control the smooth engine operation during the TCS operation. Pulse signals are exchanged between ECM and “ABS actuator and electric unit (control unit)”.
Be sure to erase the malfunction information such as DTC not only for “ABS actuator and electric unit (control unit)” but also for ECM after TCS related repair.
DTC DETECTION LOGIC
Freeze frame data is not stored in the ECM for this self-diagnosis.
ECM cannot receive the information from “ABS actuator and electric unit (control unit)” continuously.
| DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition | |
| P1212 |
TCS C/U FUNCTN (TCS control unit function) |
Diagnosis condition | Start engine and let it idle |
| Signal (terminal) | CAN communication signal | ||
| Threshold | ECM cannot receive the information from “ABS actuator and electric unit (control unit)” continuously | ||
| Diagnosis delay time | — | ||
POSSIBLE CAUSE
-
Harness or connectors
(The CAN communication line is open or shorted.)
-
ABS actuator and electric unit (control unit)
-
Dead (Weak) battery
FAIL-SAFE
Not applicable
CHECK DTC PRIORITY
If DTC P1212 is displayed with DTC UXXXX or P0607, first perform the confirmation procedure for DTC UXXXX or P0607.
Is applicable DTC detected?
YES>>Perform diagnosis of applicable.
-
DTC UXXXX: Refer to DTC Index.
-
DTC P0607: Refer to DTC Description.
GO TO 2.
PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following before conducting the next test
-
Turn ignition switch OFF and wait at least 10 seconds.
-
Turn ignition switch ON.
-
Turn ignition switch OFF and wait at least 10 seconds.
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 10.5 V at idle.
>>
GO TO 3.
PERFORM DTC CONFIRMATION PROCEDURE
-
Start engine and let it idle for at least 10 seconds.
-
Check 1st trip DTC.
Is 1st trip DTC detected?
YES>>Proceed to Diagnosis Procedure.
NO>>To check malfunction symptom before repair: Refer to Intermittent Incident.
NO>>Confirmation after repair: INSPECTION END
CHECK DTC PRIORITY
If DTC P1212 is displayed with DTC UXXXX or P0607, first perform the confirmation procedure for DTC UXXXX or P0607.
Is applicable DTC detected?
YES>>Perform diagnosis of applicable.
-
DTC UXXXX: Refer to DTC Index.
-
DTC P0607: Refer to DTC Description.
GO TO 2.
CHECK DTC WITH BRC
Perform the trouble diagnosis for BRC.
>>
Proceed to Work Flow.
P1148 Closed Loop Control
DTC Description
DTC DETECTION LOGIC DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
P1148
CLOSED LOOP-B1
(Closed loop bank 1)
Diagnosis condition
—
Signal (terminal)
—
Threshold
The closed loop control function for bank 1 does not operate even when Nissan Murano vehicle is being driven in the specified condition
Diagnosis delay time
—
P1168
CLOSED LOOP-B2
(Closed loop bank 2)
Diagnosis condition
—
Signal (terminal)
—
Threshold
The closed loop control function for bank 2 does not operate even when Nissan Murano vehicle is being driven in the specified condition
Diagnosis delay time
—
POSSIBLE CAUSE
Harness or connectors
(The A/F sensor 1 circuit is open or shorted...
P1217 Engine Over Temperature
DTC Description
DTC DETECTION LOGICIf the cooling fan or another component in the cooling system malfunctions, engine coolant temperature will rise.When the engine coolant temperature reaches an abnormally high temperature condition, a malfunction is indicated...
Other information:
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Autolight system
The autolight system allows the headlights to turn on and off automatically. The autolight system can:
Turn on the headlights, front parking, tail, license plate and instrument panel lights automatically when it is dark. Turn off all the lights (except daylight running lights) when it is light. Keep all the lights on for a period of time after you place the ignition switch in the OFF position and all doors are closed.