CONTINUOUSLY VARIABLE TRANSMISSION (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)
DTC U0100 LOST COMMUNICATION WITH ECM/PCM “A”
NOTE:
Refer to “LAN SYSTEM (DIAGNOSTICS)” for diagnostic procedures. Basic Diagnostic Procedure">
1. OUTLINE OF DIAGNOSIS
• Detect malfunction of CAN communication.
• Judge as NG when CAN communication failure occurs with the ECM.
2. EXECUTION CONDITION
Secondary Parameters | Execution condition |
12 V battery system voltage | ≥ 10 V |
Measured turbine shaft speed | > 0 rpm |
or | |
Transmission range | Drive or Reverse |
3. DIAGNOSTIC METHOD
If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.
Malfunction Criteria | Threshold Value |
CAN data from ECM | Lost |
Time Needed for Diagnosis: 0.5 seconds
Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.
Relay and fuse
Inspection
CRUISE CONTROL SYSTEM > Relay and FuseINSPECTION1. CHECK FUSE1. Remove the fuse and inspect visually.2. If the fuse is blown out, replace the fuse.NOTE:If the fuse is blown again, check the system wiring harness. Location
CRUISE CONTROL SYSTEM > Relay and FuseLOCATIONRelay & f ...
Removal
CONTINUOUSLY VARIABLE TRANSMISSION(TR580) > Transfer Driven GearREMOVAL1. Remove the transmission assembly from the vehicle. Automatic Transmission Assembly > REMOVAL">2. Remove the extension case. Extension Case > REMOVAL">3. Remove the transfer clutch assembly. Transfer ...
Removal
SECURITY AND LOCKS > IG Relay2 (Push Button Start)REMOVALCAUTION:Before handling the airbag system components, refer to “CAUTION” of “General Description” in “AIRBAG SYSTEM”. General Description > CAUTION">1. Disconnect the ground cable from battery ...