U1000 CAN COMM CIRCUIT
Description
Refer to LAN-8, "System Description".
DTC Logic
DTC DETECTION LOGIC
CONSULT Display |
DTC Detection Condition |
Possible Cause |
CAN COMM CIRCUIT [U1000] | When IPDM E/R cannot communicate with CAN communication signal continuously for 2 seconds or more. | In CAN communication system, any item (or items) of
the following listed below is malfunctioning:
|
Diagnosis Procedure
1. PERFORM SELF DIAGNOSTIC RESULT
Is “CAN COMM CIRCUIT” displayed? YES >> Refer to LAN-17, "Trouble Diagnosis Flow Chart".
NO >> Refer to GI-41, "Intermittent Incident".
B120E IPDM E/R
DTC Logic
DTC DETECTION LOGIC
CONSULT Display |
DTC Detection Condition |
Possible Cause |
USM ECU Not configured [B120E] | The IPDM E/R detects 0V for greater than 2 seconds.
ECU internal failure. |
IPDM E/R |
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION
Is DTC B120E displayed? YES >> Refer to PCS-32, "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis Procedure
1. PERFORM SELF DIAGNOSTIC RESULT
Perform “Self Diagnostic Result” of “IPDM E/R” using CONSULT.
Is display history of DTC B120E CRNT? YES >> Replace IPDM E/R. Refer to PCS-35, "Removal and Installation".
NO >> Refer to GI-41, "Intermittent Incident".
B120E IPDM E/R
DTC Logic
DTC DETECTION LOGIC
CONSULT Display |
DTC Detection Condition |
Possible Cause |
USM ECU Not configured [B120E] | The IPDM E/R detects 0V for greater than 2 seconds.
ECU internal failure. |
IPDM E/R |
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION
Is DTC B120E displayed? YES >> Refer to PCS-32, "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis Procedure
1. PERFORM SELF DIAGNOSTIC RESULT
Perform “Self Diagnostic Result” of “IPDM E/R” using CONSULT.
Is display history of DTC B120E CRNT? YES >> Replace IPDM E/R. Refer to PCS-35, "Removal and Installation".
NO >> Refer to GI-41, "Intermittent Incident".
B20DD IGNITION RELAY ON CIRCUIT
DTC Logic
DTC DETECTION LOGIC
CONSULT Display |
DTC Detection Condition |
Possible Cause |
IGN RELAY ON [B20DD] | The ignition relay ON is detected for 1 second at ignition switch OFF (CPU monitors the status at the contact and excitation coil circuits of the ignition relay inside it | IPDM E/R |
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION
Is DTC B20DD displayed? YES >> Refer to PCS-32, "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis Procedure
1. PERFORM SELF DIAGNOSTIC RESULT
Perform “Self Diagnostic Result” of “IPDM E/R” using CONSULT.
Is display history of DTC B20DD CRNT? YES >> Replace IPDM E/R. Refer to PCS-35, "Removal and Installation".
NO >> Refer to GI-41, "Intermittent Incident".
B20DE IGNITION RELAY OFF CIRCUIT
DTC Logic
DTC DETECTION LOGIC
CONSULT Display |
DTC Detection Condition |
Possible Cause |
IGN RELAY OFF [B20DE] | The ignition relay OFF is detected for 1 second at ignition switch ON (CPU monitors the status at the contact and excitation coil circuits of the ignition relay inside it). | IPDM E/R |
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION
Is DTC B20DE displayed? YES >> Refer to PCS-33, "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis Procedure
1. PERFORM SELF DIAGNOSTIC RESULT
Perform “Self Diagnostic Result” of “IPDM E/R” using CONSULT.
Is display history of DTC B20DE CRNT? YES >> Replace IPDM E/R. Refer to PCS-35, "Removal and Installation".
NO >> Refer to GI-41, "Intermittent Incident".
POWER SUPPLY AND GROUND CIRCUIT
Diagnosis Procedure
Regarding Wiring Diagram information, refer to PCS-24, "Wiring Diagram".
1. CHECK FUSE AND FUSIBLE LINKS
Check that the following IPDM E/R fuse or fusible links are not blown.
Is the fuse blown? YES >> Replace the blown fuse or fusible link after repairing the affected circuit.
NO >> GO TO 2.
2. CHECK BATTERY POWER SUPPLY CIRCUIT
Is the inspection result normal? YES >> GO TO 3.
NO >> Repair or replace harness or connectors.
3. CHECK GROUND CIRCUIT
Is the inspection result normal? YES >> Inspection End.
NO >> Repair or replace harness or connectors.
Basic inspection
DIAGNOSIS AND REPAIR WORKFLOW
Work Flow
OVERALL SEQUENCE
DETAILED FLOW
1.GET INFORMATION FOR SYMPTOM
Get the detailed information from the customer about the symptom (the
condition and the environment when
the incident/malfunction occurred).
>> GO TO 2.
2.CHECK DTC
Ch ...
Repairing material
Foam Repair
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panels and locations around the
vehicle. Use the following procedure(s) to replace any factory-installed foam
insulators.
URETHANE FOAM APPLICATIONS
Use commercially available Urethane foam for sealant (f ...
Inspection and adjustment
ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMINAL
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If any of the following work has been done Initial setting is necessary.
Power supply to the main power window and door lock/unlock switch
or power windo ...