U1000 can comm circuit
Description
Refer to LAN-7, "CAN COMMUNICATION SYSTEM : 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-16, "Trouble Diagnosis Flow Chart".
NO >> Refer to GI-39, "Intermittent Incident".
B2098 ignition relay on stuck
Dtc logic
DTC DETECTION LOGIC
CONSULT Display | DTC Detection Condition | Possible Cause |
IGN RELAY ON [B2098] | 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 PROCEDURE
CVT model
M/T model
Is DTC detected? YES >> Refer to PCS-27, "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 B2098 CRNT? YES >> Replace IPDM E/R. Refer to PCS-30, "Removal and Installation".
NO >> Refer to GI-39, "Intermittent Incident".
B2099 ignition relay off stuck
Dtc logic
DTC DETECTION LOGIC
CONSULT Display | DTC Detection Condition | Possible Cause |
IGN RELAY OFF [B2099] | 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 PROCEDURE
CVT model
M/T model
Is DTC detected? YES >> Refer to PCS-28, "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 B2099 CRNT? YES >> Replace IPDM E/R. Refer to PCS-30, "Removal and Installation".
NO >> Refer to GI-39, "Intermittent Incident".
Power supply and ground circuit
Diagnosis procedure
Regarding Wiring Diagram information, refer to PCS-21, "Wiring Diagram".
1. Check fuse and fusible links
Check that the following ipdm e/r fusible links are not blown.
Is the fusible link blown? Yes >> replace the blown fusible link 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 harness or connectors.
3. Check ground circuit
Is the inspection result normal? Yes >> inspection end.
No >> repair harness or connectors.
Pedal vibration or abs operation
sound occurs
Diagnosis Procedure
CAUTION:
Under the following conditions, ABS is activated and
vibration is felt when brake pedal is lightly
depressed (just place a foot on it). However, this is normal.
When shifting gears
When driving on slippery road
During cornering at high spee ...
Manual control
While using the voice recognition system, it is
possible to select menu options by using the
steering wheel controls instead of speaking voice
commands. This can be especially helpful if the
noise of driving makes it difficult for the voice
recognition system to accurately interpret commands.
...
Basic inspection
Diagnosis and repair workflow
Work flow
OVERALL SEQUENCE
DETAILED FLOW
1.GET INFORMATION FOR SYMPTOM
Get detailed information from the customer about the symptom (the condition
and the environment when the
incident/malfunction occurred).
>> GO TO 2
2.CONFIRM THE SYMPTOM
Try to ...