PCM terminal 1BL or 1BG
z
Main relay is stuck open.
z
Open or poor GND circuit (PCM
terminal 1D, 1J, 1BP, 1BK)
z
Poor connection of vehicle body
GND
No
No DTC is displayed:
Go to the next step.
11
Connect the M-MDS to the DLC-2.
Access the APP1 and APP2, APP3
PIDs. Crank the engine with
accelerator pedal released. Are the
APP1 and APP2, APP3 PIDs
indicating that the accelerator pedal is
in the released position?
Yes
Go to the next step.
No
Inspect for the following:
z
APP sensor
z
Wiring harnesses and connectors
for following:
{
PCM terminal 1AC-APP
sensor terminal B
{
PCM terminal 1AH-APP
sensor terminal C
{
PCM terminal 1Y-APP
sensor terminal D
{
PCM terminal 1AK-APP
sensor terminal E
{
PCM terminal 1BA-APP
sensor terminal F
{
PCM terminal 1AD-APP
sensor terminal G
{
PCM terminal 1AG-APP
sensor terminal H
12
Connect the M-MDS to the DLC-2.
Access the TP1, TP2 PID. Crank the
engine with accelerator pedal released.
Are the TP1, TP2 PID indicates the
closed throttle position?
Yes
Go to the next step.
No
Inspect for the following:
z
TP sensor
z
Wiring harnesses and connectors
for following:
{
PCM terminal 2BO-TP
sensor terminal A
{
PCM terminal 2BR-TP
sensor terminal B
{
PCM terminal 2AD-TP
sensor terminal C
{
PCM terminal 2D-TP sensor
terminal D
2007 Mazda CX-9 Grand Touring
2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9
Microsoft
Sunday, November 15, 2009 9:27:37 AM
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