z
This judgment means tank pressure could not arrive at target pressure at stage 1 test.
{
Check for the large leakage or inspect the purge solenoid valve operation and related hoses.
{
Repair or replace any malfunctioning parts.
The EVAP Test could not maintain the target vacuum. A small leak is suspect.
z
This judgment means tank pressure could not stay in target pressure at stage 2 test.
{
Run the EVAP Test again after Re-tighten the fuel filler cap.
{
If small leak is suspected again, use the leak tester or ultrasonic leak detector for identify the leak
point.
{
Repair or replace any malfunctioning parts.
Blockage in EVAP system.
z
This judgment means tank pressure could not return to atmosphere at stage 3 test.
{
Inspect the CV solenoid, Air filter, Charcoal canister and related hoses for blockage.
No large leaks or blockage have been detected in the EVAP system at this time.
z
M-MDS can not detect "VERY SMALL LEAK".
{
To identify the leak point, please use the leak tester or ultrasonic leak detector.
Evaporative system test procedure
1. Verify that all PIDs within the following specifications.
2. Select the following items from the initialization screen of the M-MDS.
1. Select the "Powertrain".
2. Select the "Fuel".
3. Select the "EVAP Test".
z
Verify that ECT and IAT are within the specifications at the confirmation screen. To
successfully perform this procedure, ECT and IAT must be within the spec before proceeding
to the next step.
z
Fuel Level must be maintained within
15%-85%.
PCM will cancel the EVAP Test If the
Fuel Level is
lower than 15%
or
higher than 85%.
NOTE:
z
To successfully perform this procedure, all PIDs must be within the
specifications before proceeding to the next step.
2008 Mazda CX-9 Grand Touring
2008 ENGINE Symptom Troubleshooting (MZI-3.7) - Mazda CX-9
Microsoft
Sunday, November 15, 2009 10:10:06 AM
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