1. |
TEST ECM GROUND CIRCUIT: Measure resistance between ECM and chassis
ground using the backside of ECM harness connector as ECM side check
point. If the problem is found, repair it.
|
2. |
TEST ECM CONNECTOR: Disconnect the ECM connector and visually
check the ground terminals on ECM side and harness side for bent pins
or poor contact pressure. If the problem is found, repair it.
|
3. |
If problem is not found in Step 1 and 2, the ECM could be faulty.
If so, make sure there were no DTC's before swapping the ECM with a
new one, and then check the vehicle again. If DTC's were found, examine
this first before swapping ECM.
|
4. |
RE-TEST THE ORIGINAL ECM: Install the original ECM (may be broken)
into a known-good vehicle and check the vehicle. If the problem occurs
again, replace the original ECM with a new one. If problem does not
occur, this is intermittent problem (Refer to “Intermittent Problem
Inspection Procedure” in Basic Inspection Procedure).
|
The programmed VIN cannot be changed. When writing the VIN, confirm
the VIN carefully
|
1. |
Select "VIN Writing" function in "Vehicle S/W Management".
|
2. |
Select "Write VIN" in "ID Register".
|
3. |
Input the VIN.
|
4. |
Turn the ignition switch OFF, then back ON.
|
Special Service Tools
Tool (Number and name)
Illustration
Use
09977-3R000
Disc & hub assembly bolt remover
Removal and installation of disc & hub assembly ...
CVVT Oil Control Valve (OCV) Description
Continuous Variable Valve Timing (CVVT) system advances or retards the
valve timing of the intake and exhaust valve in accordance with the ECM control
signal which is calculated by the engine ...
Cruise Control Switch Inspection
[Measuring Resistance]
1.
Check for resistance between terminals in each switch position.
Function
switch
Connector
termi ...