CONTINUOUSLY VARIABLE TRANSMISSION (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)
DTC U0140 LOST COMMUNICATION WITH BODY CONTROL MODULE
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 body integrated unit.
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 BIU | Lost |
Time Needed for Diagnosis: 2 seconds
Malfunction Indicator Light Illumination: Does not illuminate.
Removal
MECHANICAL(H4DO) > Cylinder HeadREMOVAL1. CYLINDER HEAD RH1. Remove the engine from the vehicle. Engine Assembly > REMOVAL">2. Remove the intake manifold. Intake Manifold > REMOVAL">3. Remove the engine wiring harness. Engine Wiring Harness > REMOVAL">4. Remove ...
Installation
REAR SUSPENSION > Rear Sub FrameINSTALLATIONCAUTION:• Be sure to use a new self-locking nut.• Always tighten the bushing in the state where the vehicle is at curb weight and the wheels are in full contact with the ground.• Install so that the front end of the under cover (b) com ...
Replacing transmitter battery
1. Open the key head using a flat-head
screwdriver.
2. Remove the transmitter case from the
key head.
3. Open the transmitter case by releasing
the hooks.
1) Negative (−) side facing up
4. Replace the old battery with a new
battery (type CR1620 or equivalent) making
su ...