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.
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- Switch the ECM from normal mode to check mode using the Techstream.
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- Perform a simulation test.
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- Check and wiggle the harness(es), connector(s) and terminal(s).
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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
SEE MORE:
COMPONENTS ILLUSTRATION
*1 FUEL PUMP ASSEMBLY
*2 FUEL PUMP PROTECTOR
*3 NO. 1 FUEL PIPE SUB-ASSEMBLY
*4 NO. 2 FUEL TUBE SUB-ASSEMBLY
*5 FUEL PUMP LIFTER ASSEMBLY
*6 FUEL PUMP LIFTER GUIDE
*7 FUEL PUMP SPACER GASKET
*8 FUEL TUB
TERMINALS OF ECU CHECK 4WD ECU ASSEMBLY
(a) Measure the voltage and resistance of the connector.
Terminal No. (Symbol) Wiring Color
Terminal Description Condition
Specified Condition
K145-6 (CANH) - K145-5 (CANL)
P - W HIGH-level CAN bus wire - LOW-level CAN bu