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.
Diagnosis system (combination meter)
Description
COMBINATION METER SELF-DIAGNOSIS MODE
The following meter functions can be checked during Combination Meter
Self-Diagnosis Mode:
Pointer sweep of speedometer, tachometer and gauges.
Illumination of all LCD segments and color patterns for meter
displays.
I ...
Brake warning lamp
Component Function Check
1.CHECK BRAKE WARNING LAMP FUNCTION
Check that brake warning lamp in combination meter turns ON for 1 second
after ignition switch is turned ON.
CAUTION:
Never start the engine.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Proceed to BRC-12 ...
P0171 fuel injection system function
DTC Description
DTC DETECTION LOGIC
With the Air/Fuel Mixture Ratio Self-Learning Control, the actual mixture
ratio can be brought closely to the
theoretical mixture ratio based on the mixture ratio feedback signal from the
A/F sensors 1. The ECM calculates
the necessary compensation to corr ...