Mazda CX-9 Grand Touring 2009 Manual page 1816

2008 BODY & ACCESSORIES Instrumentation/Driver Info - Mazda CX-9
Speedometer tester indication (mph) Allowable range (mph)
3. Verify that the speedometer reading is within the range indicated in the table.
If the speedometer does not move or the indication is not within the allowable range, inspect the
PCM, TCM, and related wiring harnesses.
If the PCM, TCM, and related wiring harnesses are normal, replace the instrument cluster.
TACHOMETER
Using the input/output check mode
1. Inspect the tachometer by setting it to check code 13 of the input/output check mode. (See
INSTRUMENT CLUSTER INPUT/OUTPUT CHECK MODE.)
USING M-MDS
CAUTION:
1. Connect the M-MDS to the DLC-2.
2. After the vehicle is identified, select the following items from the initialization screen of the M-MDS.
When using the IDS (laptop PC)
1. Select "DataLogger".
2. Select "Modules".
3. Select "IC".
When using the PDS (Pocket PC)
1. Select "Module Tests".
2. Select "IC".
3. Select "DataLogger".
3. Compare the data monitor item (IC_TACHO) with the tachometer indication.
If the tachometer does not operate properly, inspect the PCM and related wiring harnesses.
2008 Mazda CX-9 Grand Touring
10
20
30
40
50
60
70
80
If the engine speed exceeds the allowable range, the engine could be
damaged. Therefore, when inspecting the tachometer, do not allow
the engine speed to exceed the allowable range indication on the
tachometer.
8-12
18-22
28-32
38-42
48-52
58-62
68-72
77-83