Open circuit
z
If there is no continuity, the circuit is open. Repair or replace the wiring harness.
{
MAF/IAT sensor terminal A and main relay No.1 terminal D
{
MAF/IAT sensor terminal C and PCM terminal 1AJ
{
MAF/IAT sensor terminal D and PCM terminal 1 AN
{
MAF/IAT sensor terminal E and PCM terminal 1AL
Short circuit
z
If there is continuity, the circuit is shorted. Repair or replace the wiring harness.
{
MAF/IAT sensor terminal A and body ground
{
MAF/IAT sensor terminal C and power supply
{
MAF/IAT sensor terminal C and body ground
{
MAF/IAT sensor terminal D and power supply
{
MAF/IAT sensor terminal D and body ground
{
MAF/IAT sensor terminal E and power supply
INTAKE AIR TEMPERATURE (IAT) SENSOR INSPECTION [MZI-3.7]
RESISTANCE INSPECTION
1. Disconnect the MAF/IAT sensor connector.
2. Measure the resistance between MAF/IAT sensor terminals A and F.
Fig. 12: Identifying MAF/IAT Sensor Terminals
Courtesy of MAZDA MOTORS CORP.
z
If not within the specification, replace the MAF/IAT sensor. (See
MASS AIR FLOW
(MAF)/INTAKE AIR TEMPERATURE (IAT) SENSOR REMOVAL/INSTALLATION
NOTE:
z
Before performing the following inspection, make sure to follow the
procedure as indicated in the troubleshooting flowchart. (See HOW TO
USE THIS MANUAL .)
2008 Mazda CX-9 Grand Touring
2008 ENGINE Control System (MZI-3.7) - Mazda CX-9
Microsoft
Sunday, November 15, 2009 10:07:19 AM
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© 2005 Mitchell Repair Information Company, LLC.
