Dodge Dakota (R1). Manual — part 894
TEST
ACTION
APPLICABILITY
21
Caution: Apply the parking brake.
Place the gear selector in Park.
Start the engine.
Warm the engine to normal operating temperature.
With the DRBIII
t read the governor pressure.
With the engine still running, remove the Transmission Control Relay from the PDC.
WARNING: WHEN THE ENGINE IS OPERATING, DO NOT STAND IN A
DIRECT LINE WITH THE FAN. DO NOT PUT YOUR HANDS NEAR THE
PULLEYS, BELTS OR FAN. DO NOT WEAR LOOSE CLOTHING.
Caution: Apply the brakes.
Place the gear selector in Drive.
Is the governor pressure on the DRB 276 - 379 KPa (40 - 55 PSI)?
All
Yes
→
No
→
22
Turn the ignition off.
Replace the Governor Pressure Solenoid in accordance with the Service Information.
Warm the engine to normal operating temperature.
With the DRB, monitor the target governor pressure and actual governor pressure.
Drive the vehicle at a constant speed 40 - 48 kmh (25 - 30 MPH).
Note: The actual governor pressure should be within 34 KPa (5 PSI) of the
target governor pressure with in 3 seconds.
Is the actual governor pressure within 34 KPa (5 PSI) of the target governor
pressure?
All
Yes
→
Test Complete.
No
→
Repair the internal transmission leakage problem in accordance
with the Service Information.
Perform TRANSMISSION VERIFICATION TEST VER - 1.
23
Turn the ignition off.
Install a pressure gauge at the governor pressure test port.
Caution: Apply the parking brake.
Place the gear selector in Park.
Start the engine.
Warm the engine to normal operating temperature.
With the engine still running, remove the Transmission Control Relay from the PDC.
WARNING: WHEN THE ENGINE IS OPERATING, DO NOT STAND IN A
DIRECT LINE WITH THE FAN. DO NOT PUT YOUR HANDS NEAR THE
PULLEYS, BELTS OR FAN. DO NOT WEAR LOOSE CLOTHING.
Caution: Apply the brakes.
Place the gear selector in Drive.
Read the governor pressure on the gauge.
Is the governor pressure on the gauge 276 - 379 KPa (40 - 55 PSI)?
All
Yes
→
Test Complete.
No
→
308
TRANSMISSION
P1756-GOV PRESS NOT EQUAL TO TARGET @ 15-20 PSI —
Continued
TEST
ACTION
APPLICABILITY
24
Turn the ignition off.
Remove the transmission oil pan and inspect for burnt oil and excessive debris.
Is the transmission oil burnt or does the transmission oil pan contain excessive
debris?
All
Yes
→
Repair the transmission in accordance with the Service Informa-
tion.
Perform TRANSMISSION VERIFICATION TEST VER - 1.
No
→
25
Turn the ignition off.
Install a pressure gauge at the governor pressure test port.
Replace the Governor Pressure Solenoid in accordance with the Service Information.
Start the engine.
Warm the engine to normal operating temperature.
Caution: Apply the brakes.
Place the gear selector in Drive.
Read the governor pressure on the gauge in Drive.
Is the governor pressure on the gauge below 34 KPa (5 PSI)?
All
Yes
→
Test Complete.
No
→
Replace the valve body in accordance with the Service Informa-
tion.
Perform TRANSMISSION VERIFICATION TEST VER - 1.
26
At this time, the conditions required to set the DTC are not present.
Note: Use the Freeze Frame Data to help duplicate the conditions that set
the DTC. Pay particular attention to the DTC set conditions, such as, VSS,
MAP, ECT, and Load.
Note: Visually inspect the related wiring harness. Look for any chafed,
pierced, pinched, or partially broken wires.
Note: Visually inspect the related wiring harness connectors. Look for
broken, bent, pushed out, or corroded terminals.
Note: Refer to any technical service bulletins that may apply.
Were any problems found?
All
Yes
→
Repair as necessary.
Perform TRANSMISSION VERIFICATION TEST VER - 1.
No
→
Test Complete.
309
TRANSMISSION
P1756-GOV PRESS NOT EQUAL TO TARGET @ 15-20 PSI —
Continued
Symptom:
P1757-GOV PRESS ABOVE 3 PSI IN GEAR WITH 0 MPH
When Monitored and Set Condition:
P1757-GOV PRESS ABOVE 3 PSI IN GEAR WITH 0 MPH
When Monitored:
Continuously with the key on and engine running.
Set Condition:
This code will set if the Governor Press Sensor output is > 21 KPa (3 PSI)
when requested pressure is 0 KPa (0 PSI) with Governor Press Solenoid Duty cycle at 95%
for 2.65 seconds. Two trips of two consecutive bad 2.65 second tests are required to set the
code.
POSSIBLE CAUSES
OTHER TRANS DTC’S PRESENT
CHECK TRANS FLUID LEVEL AND CONDITION
INTERMITTENT GOVERNOR PRESSURE SOLENOID
5 VOLT SUPPLY CIRCUIT OPEN
GOV PRESSURE SENSOR SIGNAL CIRCUIT OPEN
SENSOR GROUND CIRCUIT OPEN
GOV PRESS SENSOR SIGNAL CKT SHORT TO GND
GOV PRESS SENSOR SIGNAL CKT SHORT TO SENSOR GND
5 VOLT SUPPLY CIRCUIT OPEN INSIDE TRANS
GOV PRESS SENSOR SIGNAL CKT SHORT TO VOLTAGE
GOV PRESS SENSOR GROUND CKT OPEN INSIDE TRANS
GOV PRESS SENSOR SIGNAL CKT OPEN INSIDE TRANS
GOV PRESS SENSOR SIGNAL CKT SHORT TO GND INSIDE TRANS
GOV PRESS SENSOR SIGNAL CKT SHORT TO SENSOR GND INSIDE TRANS
GOV PRESS SENSOR SIGNAL CKT SHORT TO VOLTAGE INSIDE TRANS
GOVERNOR PRESSURE SENSOR
OIL BURNT OR OIL PAN HAS EXCESSIVE DEBRIS
VALVE BODY
PCM - 5 VOLT SUPPLY
POWERTRAIN CONTROL MODULE
310
TRANSMISSION
TEST
ACTION
APPLICABILITY
1
Turn the ignition on.
With the DRBIII
t, read DTCs.
Note: You may be removing the Transmission Control Relay during this test,
this will set other codes. They can be disregarded.
Is the Good Trip Counter for P-1757 displayed and equal to 0?
All
Yes
→
No
→
2
Turn the ignition on.
With the DRBIII
t, read DTCs.
Are any other transmission DTCs present?
All
Yes
→
Repair all other transmission DTCs before proceeding.
Perform TRANSMISSION VERIFICATION TEST VER - 1.
No
→
3
Start the engine.
Allow the transmission to reach normal operating temperature.
Check the transmission fluid level and condition.
Is the fluid level correct and the fluid condition OK?
All
Yes
→
No
→
Repair as necessary the transmission fluid level and condition.
Perform TRANSMISSION VERIFICATION TEST VER - 1.
4
Start the engine.
Warm the engine to normal operating temperature.
With the DRBIII
t, read the governor pressure.
Place the gear selector in Drive.
Is the governor pressure above 21 KPa (3 PSI)?
All
Yes
→
No
→
5
Turn the ignition off.
Install a pressure gauge at the governor pressure test port.
Caution: Apply the parking brake.
Start the engine.
Warm the engine to normal operating temperature.
Caution: Apply the brakes.
Place the gear selector in Drive.
Read the governor pressure on the gauge in Drive.
Is the governor pressure on the gauge below 21 KPa (3 PSI)?
All
Yes
→
No
→
311
TRANSMISSION
P1757-GOV PRESS ABOVE 3 PSI IN GEAR WITH 0 MPH —
Continued
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст