Fig. 26: Identifying PCM Wiring Harness Side Connector
Courtesy of MAZDA MOTORS CORP.
Open circuit
z
If there is no continuity, there is an open circuit. Repair or replace the wiring harness.
{
PCV valve heater fitting terminal A and main relay No.1 terminal D
{
PCV valve heater fitting terminal B and PCM terminal 2AU
Short circuit
z
If there is continuity, there is a short circuit. Repair or replace the wiring harness.
{
PCV valve heater fitting terminal A and power supply
{
PCV valve heater fitting terminal A and body ground
{
PCV valve heater fitting terminal B and power supply
{
PCV valve heater fitting terminal B and body ground
POSITIVE CRANKCASE VENTILATION (PCV) VALVE HEATER FITTING
REMOVAL/INSTALLATION [MZI-3.7]
1. Disconnect the negative battery cable. (See
BATTERY REMOVAL/INSTALLATION [MZI-3.7]
.)
2. Remove in the order indicated in the table.
2008 Mazda CX-9 Grand Touring
2008 ENGINE PERFORMANCE Emission System (MZI-3.7) - Mazda CX-9
Microsoft
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