Toyota Camry (XV70): Check For Intermittent Problems
Toyota Camry Repair Manual XV70 (2018-2024) / Engine, Hybrid System / 2gr-fks (engine Control) / Sfi System / Check For Intermittent Problems
CHECK FOR INTERMITTENT PROBLEMS
HINT:
Inspect the vehicle ECM using check mode. Intermittent problems are easier to detect with the Techstream when the ECM is in check mode. In check mode, the ECM uses 1 trip detection logic, which is more sensitive to malfunctions than normal mode (default), which uses 2 trip detection logic.
- Clear the DTCs.
Click here
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- Switch the ECM from normal mode to check mode using the Techstream.
Click here
- Perform a simulation test.
Click here
- Check and wiggle the harness(es), connector(s) and terminal(s).
Click here
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Basic Inspection
CAUTION / NOTICE / HINT When a malfunction is not confirmed by the DTC check, troubleshooting should be carried out for all circuits considered to be possible causes of the problem. In many cases, by
Registration
REGISTRATION CAUTION / NOTICE / HINT PROCEDURE
1. VIN (VEHICLE IDENTIFICATION NUMBER) NOTICE: The Vehicle Identification Number (VIN) must be written to a replacement ECM.
HINT: The VIN is a 17-di
Initialization
INITIALIZATION Inspection After Repair Perform Learning Value Reset and Idle Learning after replacing or servicing parts related to engine operation. Details on procedures required are indicated by an
SEE MORE:
Inspection
INSPECTION PROCEDURE 1. INSPECT STEERING HEATER SWITCH
(a) Remove the steering heater switch. Click here
*a Component without harness connected
(Steering Heater Switch)
(b) Measure the resistance according to the value(s) in the table
Lost Communication with ECM/PCM "A" Missing Message (U010087,U012587,U012687,U012987,U013187,U015587)
DESCRIPTION When a malfunction is detected between various ECUs and sensors, these DTCs are stored.
DTC No. Detection Item
DTC Detection Condition Trouble Area
U010087 Lost Communication with ECM/PCM "A" Missing Message
After 3 seconds or more have elapsed since turnin
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