Toyota Camry (XV70): 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
- Switch the ECM from normal mode to check mode using the Techstream.
Click here
- Perform a simulation test.
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- Check and wiggle the harness(es), connector(s) and terminal(s).
Click here
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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 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 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
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FREEZE FRAME DATA DESCRIPTION (a) When a front camera system DTC is stored, the forward recognition camera stores the current vehicle (ECU or sensor) state as Freeze Frame Data.
CHECK FREEZE FRAME DATA (a) Select a DTC to display the freeze frame data. Chassis > Front Recognition Camera > Tr
ON-VEHICLE INSPECTION PROCEDURE
1. REMOVE COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY Click here
2. REMOVE FRONT CENTER UPPER SUSPENSION BRACE SUB-ASSEMBLY
Click here
3. OPERATION CHECK (a) Slide the clip and disconnect the air tube from the vacuum pump assembly.
(b) Connect the hose