U1000 CAN COMM CIRCUIT
Description
Refer to LAN-8, "System Description".
DTC Logic
DTC DETECTION LOGIC
NOTE: U1000 can be set if a module harness was disconnected and reconnected, perhaps during a repair. Confirm that there are actual CAN diagnostic symptoms and a present DTC by performing the Self Diagnostic Result procedure
CONSULT Display |
DTC Detection Condition |
Possible cause |
CAN COMM CIRCUIT [U1000] | When any listed module cannot communicate with CAN communication signal continuously for 2 seconds or more with ignition switch ON. | In CAN communication system, any item (or items)
of the following listed below is malfunctioning.
|
Diagnosis Procedure
1. PERFORM SELF DIAGNOSTIC
Is “CAN COMM CIRCUIT” displayed? YES >> Perform CAN Diagnosis as described in DIAGNOSIS section of CONSULT Operation Manual.
NO >> Refer to GI-41, "Intermittent Incident".
U1010 CONTROL UNIT (CAN)
DTC Logic
DTC DETECTION LOGIC
CONSULT Display |
DTC Detection Condition |
Possible Cause |
CAN COMM CIRCUIT [U1010] | CAN COMM CIRCUIT [U1010] | BCM |
Diagnosis Procedure
1. REPLACE BCM
When DTC U1010 is detected, replace BCM.
>> Replace BCM. Refer to BCS-135, "Removal and Installation".
POWER SUPPLY AND GROUND CIRCUIT
BCM
BCM : Diagnosis Procedure
Regarding Wiring Diagram information, refer to BCS-110, "Wiring Diagram".
1. CHECK FUSE
Check that the following fuse is not blown.
Is the fuse blown? YES >> Replace the blown fuse after repairing the affected circuit.
NO >> GO TO 2.
2. CHECK POWER SUPPLY CIRCUIT
Is the inspection result normal? YES >> GO TO 3.
NO >> Repair or replace harness or connectors.
3. CHECK GROUND CIRCUIT
Check continuity between BCM connector M20 and ground.
Is the inspection result normal? YES >> Inspection End.
NO >> Repair or replace harness or connectors.
DOOR SWITCH
Description
Detects door open/close condition.
Component Function Check
1.CHECK FUNCTION
Is the inspection result normal? YES >> Door switch is OK.
NO >> Refer to DLK-319, "Diagnosis Procedure".
Diagnosis Procedure
Regarding Wiring Diagram information, refer to DLK-293, "Wiring Diagram".
1.CHECK DOOR SWITCH INPUT SIGNAL
Is the inspection result normal? YES >> GO TO 3.
NO >> GO TO 2.
2.CHECK DOOR SWITCH CIRCUIT
Is the inspection result normal? YES >> Replace BCM. Refer to BCS-135, "Removal and Installation".
NO >> Repair or replace harness.
3.CHECK DOOR SWITCH
Refer to DLK-150, "Component Inspection".
Is the inspection result normal? YES >> GO TO 4.
NO >> Replace malfunctioning door switch. Refer to DLK-385, "Removal and Installation".
4.CHECK INTERMITTENT INCIDENT
Refer to GI-41, "Intermittent Incident".
>> Inspection End.
Component Inspection
1.CHECK DOOR SWITCH
Is the inspection result normal? YES >> Inspection End.
NO >> Replace malfunctioning door switch. Refer to DLK-385, "Removal and Installation".
DOOR LOCK AND UNLOCK SWITCH
DRIVER SIDE
DRIVER SIDE : Description
Transmits door lock/unlock operation to BCM.
DRIVER SIDE : Component Function Check
1.CHECK FUNCTION
With CONSULT
Check "CDL LOCK SW", "CDL UNLOCK SW" in Data Monitor mode with CONSULT.
Is the inspection result normal? YES >> Door lock and unlock switch is OK.
NO >> Refer to DLK-321, "DRIVER SIDE : Diagnosis Procedure".
DRIVER SIDE : Diagnosis Procedure
Regarding Wiring Diagram information, refer to DLK-293, "Wiring Diagram".
1.CHECK POWER WINDOW SWITCH OUTPUT SIGNAL
Is the inspection result normal? YES >> GO TO 5.
NO >> GO TO 2.
2.CHECK POWER WINDOW SWITCH GROUND
Is the inspection result normal? YES >> GO TO 3.
NO >> Repair or replace harness.
3.CHECK POWER WINDOW SWITCH
Check continuity between main power window and door lock/unlock switch terminals.
Is the inspection result normal? YES >> GO TO 4.
NO >> Replace main power window and door lock/unlock switch. Refer to PWC-64, "Removal and Installation".
4.CHECK POWER WINDOW SWITCH CIRCUITS
Is the inspection result normal? YES >> GO TO 5.
NO >> Repair or replace harness.
5.CHECK INTERMITTENT INCIDENT
Refer to GI-41, "Intermittent Incident".
>> Inspection End.
PASSENGER SIDE
PASSENGER SIDE : Description
Transmits door lock/unlock operation to BCM.
PASSENGER SIDE : Component Function Check
1.CHECK FUNCTION
With CONSULT
Check "CDL LOCK SW", "CDL UNLOCK SW" in Data Monitor mode with CONSULT.
Is the inspection result normal? YES >> Door lock and unlock switch is OK.
NO >> Refer to DLK-323, "PASSENGER SIDE : Diagnosis Procedure".
PASSENGER SIDE : Diagnosis Procedure
Regarding Wiring Diagram information, refer to DLK-293, "Wiring Diagram".
1.CHECK POWER WINDOW SWITCH OUTPUT SIGNAL
Is the inspection result normal? YES >> GO TO 5.
NO >> GO TO 2.
2.CHECK POWER WINDOW SWITCH GROUND
Is the inspection result normal? YES >> GO TO 3.
NO >> Repair or replace harness.
3.CHECK POWER WINDOW SWITCH
Check continuity between front power window and door lock/unlock switch RH terminals.
Is the inspection result normal? YES >> GO TO 4.
NO >> Replace front power window and door lock/unlock switch RH. Refer to PWC-65, "Removal and Installation".
4.CHECK POWER WINDOW SWITCH CIRCUITS
Is the inspection result normal? YES >> GO TO 5.
NO >> Repair or replace harness.
5.CHECK INTERMITTENT INCIDENT
Refer to GI-41, "Intermittent Incident".
>> Inspection End.
DOOR KEY CYLINDER SWITCH
Description
When the mechanical key is inserted and turned into the front door lock key cylinder switch LH, the switch transmits the LOCK or UNLOCK signal directly to the BCM.
Component Function Check
1.CHECK FUNCTION
Is the inspection result normal? YES >> Door key cylinder switch is OK.
NO >> Refer to DLK-325, "Diagnosis Procedure".
Diagnosis Procedure
Regarding Wiring Diagram information, refer to DLK-293, "Wiring Diagram".
1.CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL
Is the inspection result normal? YES >> Front door lock key cylinder switch LH is OK.
NO >> GO TO 2.
2.CHECK DOOR KEY CYLINDER SWITCH GROUND CIRCUIT
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace harness.
3.CHECK DOOR KEY CYLINDER SIGNAL CIRCUIT
Is the inspection result normal? YES >> GO TO 4.
NO >> Repair or replace harness.
4.CHECK DOOR KEY CYLINDER SWITCH
Check door key cylinder switch.
Refer to DLK-326, "Component Inspection".
Is the inspection result normal? YES >> Check intermittent incident. Refer to GI-41, "Intermittent Incident".
NO >> Replace front door lock assembly LH. Refer to DLK-373, "DOOR LOCK : Removal and Installation".
Component Inspection
COMPONENT INSPECTION
1.CHECK DOOR KEY CYLINDER SWITCH
Check front door lock key cylinder switch LH.
Is the inspection result normal? YES >> Key cylinder switch is OK.
NO >> Replace front door lock assembly LH. Refer to DLK-373, "DOOR LOCK : Removal and Installation".
KEY SWITCH (BCM INPUT)
Diagnosis Procedure
Regarding Wiring Diagram information, refer to DLK-293, "Wiring Diagram".
1.CHECK KEY SWITCH INPUT SIGNAL
With CONSULT
Check key switch "KEY SW" in "Data Monitor" mode with CONSULT. Refer to BCS-87, "DOOR LOCK : CONSULT Function (BCM - DOOR LOCK)".
KEY SW : ON
KEY SW : OFF
Without CONSULT
Check voltage between BCM connector M18 terminal 37 and ground.
Is the inspection result normal? YES >> Key switch (insert) circuit is OK.
NO >> GO TO 2.
2.CHECK KEY SWITCH (INSERT)
Is the inspection result normal? YES >> Repair or replace harness or fuse.
NO >> Replace key switch.
DOOR LOCK ACTUATOR
DRIVER SIDE
DRIVER SIDE : Component Function Check
1.CHECK FUNCTION
Is the inspection result normal? YES >> Door lock actuator is OK.
NO >> Refer to DLK-328, "DRIVER SIDE : Diagnosis Procedure".
DRIVER SIDE : Diagnosis Procedure
Regarding Wiring Diagram information, refer to DLK-293, "Wiring Diagram".
1.CHECK DOOR LOCK ACTUATOR INPUT SIGNAL
Is the inspection result normal? YES >> Replace front door lock assembly LH. Refer to DLK-373, "DOOR LOCK : Removal and Installation".
NO >> GO TO 2.
2.CHECK DOOR LOCK ACTUATOR CIRCUIT
Is the inspection result normal? YES >> GO TO 3.
NO >> Repair or replace harness.
3.CHECK BCM OUTPUT SIGNAL
Is the inspection result normal? YES >> Replace front door lock assembly LH. Refer to DLK-373, "DOOR LOCK : Removal and Installation".
NO >> Replace BCM. Refer to BCS-135, "Removal and Installation".
PASSENGER SIDE
PASSENGER SIDE : Component Function Check
1.CHECK FUNCTION
Is the inspection result normal? YES >> Door lock actuator is OK.
NO >> Refer to DLK-329, "PASSENGER SIDE : Diagnosis Procedure".
PASSENGER SIDE : Diagnosis Procedure
Regarding Wiring Diagram information, refer to DLK-293, "Wiring Diagram".
1.CHECK DOOR LOCK ACTUATOR INPUT SIGNAL
Is the inspection result normal? YES >> Replace front door lock actuator RH. Refer to DLK-373, "DOOR LOCK : Removal and Installation".
NO >> GO TO 2.
2.CHECK DOOR LOCK ACTUATOR CIRCUIT
Is the inspection result normal? YES >> GO TO 3.
NO >> Repair or replace harness.
3.CHECK BCM OUTPUT SIGNAL
Is the inspection result normal? YES >> Replace front door lock actuator RH. Refer to DLK-373, "DOOR LOCK : Removal and Installation".
NO >> Replace BCM. Refer to BCS-135, "Removal and Installation".
REAR LH
REAR LH : Component Function Check
1.CHECK FUNCTION
Is the inspection result normal? YES >> Door lock actuator is OK.
NO >> Refer to DLK-330, "REAR LH : Diagnosis Procedure".
REAR LH : Diagnosis Procedure
Regarding Wiring Diagram information, refer to DLK-293, "Wiring Diagram".
1.CHECK DOOR LOCK ACTUATOR INPUT SIGNAL
Is the inspection result normal? YES >> Replace rear door lock actuator LH. Refer to DLK-377, "DOOR LOCK : Removal and Installation".
NO >> GO TO 2.
2.CHECK DOOR LOCK ACTUATOR CIRCUIT
Is the inspection result normal? YES >> GO TO 3.
NO >> Repair or replace harness.
3.CHECK BCM OUTPUT SIGNAL
Is the inspection result normal? YES >> Replace rear door lock actuator LH. Refer to DLK-377, "DOOR LOCK : Removal and Installation".
NO >> Replace BCM. Refer to BCS-135, "Removal and Installation".
REAR RH
REAR RH : Component Function Check
1.CHECK FUNCTION
Is the inspection result normal? YES >> Door lock actuator is OK.
NO >> Refer to DLK-331, "REAR RH : Diagnosis Procedure".
REAR RH : Diagnosis Procedure
Regarding Wiring Diagram information, refer to DLK-293, "Wiring Diagram".
1.CHECK DOOR LOCK ACTUATOR INPUT SIGNAL
Is the inspection result normal? YES >> Replace rear door lock actuator RH. Refer to DLK-377, "DOOR LOCK : Removal and Installation".
NO >> GO TO 2.
2.CHECK DOOR LOCK ACTUATOR CIRCUIT
Is the inspection result normal? YES >> GO TO 3.
NO >> Repair or replace harness.
3.CHECK BCM OUTPUT SIGNAL
Is the inspection result normal? YES >> Replace rear door lock actuator RH. Refer to DLK-377, "DOOR LOCK : Removal and Installation".
NO >> Replace BCM. Refer to BCS-135, "Removal and Installation".
KEYFOB BATTERY AND FUNCTION
Description
The following functions are available when having and carrying the keyfob.
Remote control entry function and panic alarm function are available when operating the remote buttons.
Component Function Check
NOTE: The Signal Tech II Tool [- (J-50190)] can be used to perform the following functions. Refer to the Signal Tech II User Guide for additional information.
1.CHECK FUNCTION
With CONSULT
Check remote keyless entry receiver KEYLESS LOCK, KEYLESS UNLOCK, and KEYLESS PANIC in Data Monitor mode with CONSULT.
Is the inspection result normal? YES >> Keyfob is OK.
NO >> Refer to DLK-333, "Diagnosis Procedure".
Diagnosis Procedure
NOTE: The Signal Tech II Tool [- (J-50190)] can be used to perform the following functions. Refer to the Signal Tech II User Guide for additional information.
1.CHECK KEYFOB FUNCTION
Check keyfob function using Signal Tech II Tool J-50190 or Remote Keyless Entry Tester J-43241 (shown).
Does the test pass? YES >> Keyfob is OK.
NO >> GO TO 2.
2.CHECK KEYFOB BATTERY
Check by connecting a resistance (approximately 300Ω) so that the current value becomes about 10 mA.
Standard : Approx. 2.5 - 3.0V
Is the measurement value within specification? YES >> Keyfob battery is OK.
NO >> GO TO 3.
3. REPLACE KEYFOB BATTERY
CAUTION:
Is the inspection result normal? YES >> Keyfob is OK.
NO >> Check BCM.
HORN FUNCTION
Component Function Check
1.CHECK FUNCTION 1
Is the operation normal? YES >> Inspection End.
NO >> Go to HRN-3, "Wiring Diagram".
Component Inspection
1.CHECK ANTI-THEFT HORN RELAY
Is the inspection result normal? YES >> Inspection End.
NO >> Replace anti-theft horn relay.
WARNING CHIME FUNCTION
Description
Performs operation method guide and warning with buzzer.
Component Function Check
1.CHECK FUNCTION
With CONSULT
Is the inspection result normal? YES >> Warning buzzer into combination meter is OK.
NO >> Refer to DLK-336, "Diagnosis Procedure".
Diagnosis Procedure
1.CHECK METER BUZZER CIRCUIT
Operate the hazard lights by turning ON the hazard warning switch.
Is the inspection result normal? YES >> GO TO 2.
NO >> Replace combination meter. Refer to MWI-82, "Removal and Installation".
2.CHECK INTERMITTENT INCIDENT
Refer to GI-41, "Intermittent Incident".
>> Inspection End.
HAZARD FUNCTION
Description
Perform answer-back for each operation with number of blinks.
Component Function Check
1.CHECK FUNCTION
Check hazard warning lamp “FLASHER” in "Active Test".
Is the inspection result normal? YES >> Hazard warning lamp circuit is OK.
NO >> Refer to DLK-337, "Diagnosis Procedure".
Diagnosis Procedure
1.CHECK HAZARD SWITCH CIRCUIT
Operate the hazard lights by turning ON the hazard warning switch.
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair or replace hazard warning switch circuit. Refer to EXL-125, "Removal and Installation".
2.CHECK INTERMITTENT INCIDENT
Refer to GI-41, "Intermittent Incident".
>> Inspection End.
KEYFOB ID SET UP WITH CONSULT
ID Code Entry Procedure
KEYFOB ID SET UP WITH CONSULT
NOTE:
NOTE: Register the ID code when keyfob or BCM is replaced, or when additional keyfob is required.
KEYFOB ID SET UP WITHOUT CONSULT
ID Code Entry Procedure
KEYFOB ID SET UP WITHOUT CONSULT
NOTE:
To erase all ID codes in memory, register one ID code (keyfob) five times. After all ID codes are erased, the ID codes of all remaining and/or new keyfobs must be re-registered.
Fuel pump
Description
Sensor
Input signal to ECM
ECM Function
Actuator
Crankshaft position sensor (POS)
Camshaft position sensor (PHASE)
Engine speed*
Fuel pump control
Fuel pump relay↓
Fuel pump
Battery
Battery voltage*
*: ECM determines the st ...
Seat belt extenders
3rd row shown; 2nd row similar
Seat belt hook
When the seat belt is not in use and when folding
down the rear seats, hook the rear seat belts on
the seat belt hooks.
If, because of body size or driving position, it is
not possible to properly fit the lap/shoulder belt
and fasten it, an ex ...
Wiring diagram
NAVIGATION WITH BOSE
Wiring Diagram
...