Chrysler Voyager. Manual — part 62
TEST
ACTION
APPLICABILITY
3
Turn the ignition off.
Disconnect the MAP Sensor harness connector.
Ignition on, engine not running.
Measure the voltage of the (K6) 5 Volt Supply circuit in the MAP Sensor harness
connector.
Is the voltage between 4.5 to 5.2 volts?
All
Yes
→ Go To 4
No
→ Go To 8
4
Turn the ignition off.
Disconnect the MAP Sensor harness connector.
With the DRBIII
t, monitor the MAP Sensor voltage.
Ignition on, engine not running.
Is the voltage between 4.75 and 5.2 volts?
All
Yes
→ Inspect the MAP sensor and the intake for any restrictions, repair
as necessary. If OK, replace the MAP Sensor.
Perform POWERTRAIN VERIFICATION TEST VER - 5 - NGC.
No
→ Go To 5
5
Turn the ignition off.
Disconnect the MAP Sensor harness connector.
Disconnect the PCM harness connector.
Measure the resistance between ground and the (K1) MAP Signal circuit at the MAP
Sensor harness connector.
Is the resistance below 100 ohms?
All
Yes
→ Repair the short to ground in the (K1) MAP Signal circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 5 - NGC.
No
→ Go To 6
6
Turn the ignition off.
Disconnect the MAP Sensor harness connector.
Disconnect the PCM harness connector.
Measure the resistance between the (K1) MAP Signal circuit and the (K4) Sensor
ground circuit in the MAP Sensor harness connector.
Is the resistance below 100 ohms?
All
Yes
→ Repair the (K4) Sensor ground shorted to the (K1) MAP Signal
circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 5 - NGC.
No
→ Go To 7
7
NOTE: Before continuing, check the PCM harness connector terminals for
corrosion, damage, or terminal push out. Repair as necessary.
If there are no possible causes remaining, view repair.
All
Repair
Replace and program the Powertrain Control Module in accor-
dance with the Service Information.
Perform POWERTRAIN VERIFICATION TEST VER - 5 - NGC.
247
DRIVEABILITY - NGC
P0106-MAP SENSOR PERFORMANCE —
Continued
TEST
ACTION
APPLICABILITY
8
Turn the ignition off.
Disconnect the MAP Sensor harness connector.
Disconnect the PCM harness connector.
Measure the resistance between ground and the (K6) 5 Volt Supply circuit in the
MAP Sensor harness connector.
Is the resistance below 100 ohms?
All
Yes
→ Repair the short to ground in the (K6) 5 Volt Supply circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 5 - NGC.
No
→ Go To 9
9
Turn the ignition off.
Disconnect the MAP Sensor harness connector.
Disconnect the PCM harness connector.
CAUTION: DO NOT PROBE THE PCM HARNESS CONNECTORS. PROBING
THE PCM HARNESS CONNECTORS WILL DAMAGE THE PCM TERMI-
NALS RESULTING IN POOR TERMINAL TO PIN CONNECTION. INSTALL
MILLER SPECIAL TOOL #8815 TO PERFORM DIAGNOSIS.
Measure the resistance of the (K6) 5 Volt Supply circuit from the MAP Sensor
harness connector to the appropriate terminal of special tool #8815.
Is the resistance below 5.0 ohms?
All
Yes
→ Go To 10
No
→ Repair the open in the (K6) 5 Volt Supply circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 5 - NGC.
10
NOTE: Before continuing, check the PCM harness connector terminals for
corrosion, damage, or terminal push out. Repair as necessary.
If there are no possible causes remaining, view repair.
All
Repair
Replace and program the Powertrain Control Module in accor-
dance with the Service Information.
Perform POWERTRAIN VERIFICATION TEST VER - 5 - NGC.
11
Turn the ignition off.
Disconnect the MAP Sensor harness connector.
Disconnect the PCM harness connector.
CAUTION: DO NOT PROBE THE PCM HARNESS CONNECTORS. PROBING
THE PCM HARNESS CONNECTORS WILL DAMAGE THE PCM TERMI-
NALS RESULTING IN POOR TERMINAL TO PIN CONNECTION. INSTALL
MILLER SPECIAL TOOL #8815 TO PERFORM DIAGNOSIS.
Measure the resistance of the (K6) 5 Volt Supply circuit from the MAP Sensor
harness connector to the appropriate terminal of special tool #8815.
Is the resistance below 5.0 ohms?
All
Yes
→ Go To 12
No
→ Repair the open in the (K6) 5 Volt Supply circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 5 - NGC.
12
Turn the ignition off.
Remove the MAP Sensor.
Inspect the vacuum port, check for restrictions or any foreign materials.
Were any restrictions found?
All
Yes
→ Repair as necessary.
Perform POWERTRAIN VERIFICATION TEST VER - 5 - NGC.
No
→ Go To 13
248
DRIVEABILITY - NGC
P0106-MAP SENSOR PERFORMANCE —
Continued
TEST
ACTION
APPLICABILITY
13
If there are no possible causes remaining, view repair.
All
Repair
Replace the MAP Sensor.
Perform POWERTRAIN VERIFICATION TEST VER - 5 - NGC.
249
DRIVEABILITY - NGC
P0106-MAP SENSOR PERFORMANCE —
Continued
Symptom:
P0107-MAP SENSOR LOW
When Monitored and Set Condition:
P0107-MAP SENSOR LOW
When Monitored:
Engine speed between 600 to 3500 RPM. TPS voltage less than 1.2
volts. Battery voltage greater than 10 volts.
Set Condition:
The MAP sensor signal voltage is less than 0.0782 of a volt for 1.7 seconds.
One trip Fault.
POSSIBLE CAUSES
MAP SENSOR VOLTAGE BELOW .078 VOLTS
(K6) 5 VOLT SUPPLY CIRCUIT SHORTED TO GROUND
(K6) 5 VOLT SUPPLY CIRCUIT OPEN
MAP SENSOR INTERNAL FAILURE
(K1) MAP SIGNAL CIRCUIT SHORTED TO GROUND
(K1) MAP SIGNAL CIRCUIT SHORTED TO (K4) SENSOR GROUND CIRCUIT
PCM (K6) 5 VOLT SUPPLY CIRCUIT
PCM (K1) MAP SENSOR SIGNAL CIRCUIT
TEST
ACTION
APPLICABILITY
1
Start the engine.
With the DRBIII
t, read the MAP Sensor voltage.
Is the voltage below .078 of a volt?
All
Yes
→ Go To 2
No
→ Refer to the INTERMITTENT CONDITION symptom in the
Driveability category.
Perform POWERTRAIN VERIFICATION TEST VER - 5 - NGC.
2
Turn the ignition off.
Disconnect the MAP Sensor harness connector.
Ignition on, engine not running.
Measure the voltage of the (K6) 5 Volt Supply circuit in the MAP Sensor harness
connector.
Is the voltage between 4.75 to 5.2 volts?
All
Yes
→ Go To 3
No
→ Go To 7
250
DRIVEABILITY - NGC
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