z
If voltage is not as following table, perform the "Circuit Open/Short Inspection".
If there is no open or short circuit, replace accelerator pedal. (See
ACCELERATOR
PEDAL REMOVAL/INSTALLATION [MZI-3.7]
.)
APP sensor output voltage
APP SENSOR OUTPUT VOLTAGE SPECIFICATION CHART
CIRCUIT OPEN/SHORT INSPECTION
Fig. 19: Identifying Accelerator Pedal Position Sensor & PCM Wiring Harness Side Connector
Courtesy of MAZDA MOTORS CORP.
1. Disconnect the PCM connector. (See
PCM REMOVAL/INSTALLATION [MZI-3.7]
.
2. Inspect the following wiring harnesses for open or short circuit. (Continuity inspection)
Condition
PCM terminal 1AK (APP
sensor No.1)
PCM terminal 1AG (APP
sensor No.2)
PCM terminal 1 AC
(APP sensor No.3)
Accelerator pedal
released
Approx. 4.1 V
Approx. 1.5 V
Approx. 0.1 V
Accelerator pedal
depressed
Approx. 1.0 V
Approx. 3.9 V
Approx. 3.3 V
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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