2001 CHRYSLER VOYAGER fuse

TEST ACTION APPLICABILITY
11 Disconnect the Brake Lamp Switch harness connector.
Using a 12-volt test light connected to ground, check the Fused B+ circuit.
Does the test light illuminate brightly?All
Ye s®Go To 12
No®Repair the Brake Lamp Switch Fused B+ circuit for an open.
Perform ROAD TEST VERIFICATION - VER-2.
12 Disconnect the Brake Lamp Switch harness connector.
Turn the ignition on.
While monitoring the PRIM BRAKE SWITCH status with the DRB, connect a
jumper wire between the Primary Brake Switch Signal circuit and the Fused B(+)
circuit.
Does the DRB display change from RELEASED to PRESSED?All
Ye s®Adjust or replace the Brake Lamp Switch in accordance with the
Service Information.
Perform ROAD TEST VERIFICATION - VER-2.
No®Go To 13
13 Turn the ignition off.
Disconnect the Brake Lamp Switch harness connector.
Disconnect the ECM harness connectors.
Turn the ignition on.
Measure the voltage between the Primary Brake Switch Signal circuit and ground.
Is the voltage above 1.0 volt?All
Ye s®Repair the Primary Brake Switch Signal circuit for a short to
voltage.
Perform ROAD TEST VERIFICATION - VER-2.
No®Go To 14
14 Turn the ignition off.
Disconnect the Brake Lamp Switch harness connector.
Disconnect the ECM harness connectors.
Measure the resistance of the Primary Brake Switch Signal circuit.
Is the resistance below 5.0 ohms?All
Ye s®Replace and program the Engine Control Module in accordance
with the Service Information.
Perform ROAD TEST VERIFICATION - VER-2.
No®Repair the Primary Brake Switch Signal circuit for an open.
Perform ROAD TEST VERIFICATION - VER-2.
152
DRIVEABILITY - DIESEL
P0703-BRAKE SWITCH SIGNAL CIRCUITS PLAUSIBILITY WITH RE-
DUNDANT CONTACT Ð
Continued

Symptom:
P1511-BATTERY SENSE LINE 1 VOLTAGE TOO LOW
When Monitored and Set Condition:
P1511-BATTERY SENSE LINE 1 VOLTAGE TOO LOW
When Monitored: With the ignition on.
Set Condition: The ECM detects Battery Sense Signal voltage below 7.98 volts.
POSSIBLE CAUSES
INTERMITTENT CONDITION
FUSE 17 OPEN
FUEL HEATER RELAY
BATTERY(+) SENSE CIRCUIT SHORTED TO GROUND
BATTERY(+) SENSE CIRCUIT OPEN
ENGINE CONTROL MODULE
TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRBIIIt, erase the ECM DTCs.
Test drive the vehicle.
With the DRBIIIt, read the ECM DTCs.
Does the DRB III display this DTC?All
Ye s®Go To 2
No®Go To 7
2 Turn the ignition off.
Disconnect the ECM harness connectors.
Remove the Fuel Heater Relay from the IPM.
Measure the resistance of the Battery(+) Sense circuit.
Is the resistance below 5.0 ohms?All
Ye s®Go To 3
No®Repair the Battery(+) Sense circuit for an open.
Perform ROAD TEST VERIFICATION - VER-2.
3 Turn the ignition off.
Remove and inspect Fuse 17 from the IPM.
Is the fuse OK?All
Ye s®Go To 4
No®Repair the short that caused the fuse to open and replace the fuse.
Perform ROAD TEST VERIFICATION - VER-2.
164
DRIVEABILITY - DIESEL

Symptom:
*CHECKING THE A/C CLUTCH OPERATION
POSSIBLE CAUSES
CHECK THE A/C CLUTCH OPERATION
FUSED B+ CIRCUIT OPEN
A/C CLUTCH RELAY
A/C CLUTCH RELAY OUTPUT CIRCUIT SHORTED TO VOLTAGE
A/C CLUTCH RELAY OUTPUT CIRCUIT SHORTED TO GROUND
A/C CLUTCH RELAY OUTPUT CIRCUIT OPEN
A/C CLUTCH GROUND CIRCUIT OPEN
A/C CLUTCH
TEST ACTION APPLICABILITY
1NOTE: Ensure that the refrigerant system is properly charged. Refer to the
appropriate Service Information.
Turn the ignition on.
With the DRBIIIt, actuate the A/C Clutch Relay.
Is the A/C Clutch actuating?All
Ye s®The A/C Clutch System is operating properly at this time.
Perform ROAD TEST VERIFICATION - VER-2.
No®Go To 2
2NOTE: If the A/C Clutch fuse is open, refer to the system schematics for all
circuits that are powered by the A/C Clutch fuse to determine the cause of
the blown fuse.
Turn the ignition off.
Remove the A/C Clutch Relay from the IPM.
Using a 12-volt test light connected to ground, probe the Fused B+ circuit in the IPM.
Does the test light illuminate brightly?All
Ye s®Go To 3
No®Repair the Fused B+ circuit. Inspect fuse and replace as neces-
sary.
Perform ROAD TEST VERIFICATION - VER-2.
3 Turn the ignition off.
Install a substitute relay in place of the A/C Clutch Relay.
Turn the ignition on.
With the DRBIIIt, actuate the A/C Clutch Relay.
Does the A/C Clutch Relay cycle on and off?All
Ye s®Replace the A/C Clutch Relay.
Perform ROAD TEST VERIFICATION - VER-2.
No®Go To 4
179
DRIVEABILITY - DIESEL

TEST ACTION APPLICABILITY
4 Turn the ignition off.
Remove the A/C Clutch Relay from the IPM.
Disconnect the A/C Clutch harness connector.
Measure the voltage of the A/C Clutch Relay Output circuit.
Is the voltage above 1.0 volt?All
Ye s®Repair the A/C Clutch Relay Output circuit for a short to voltage.
Perform ROAD TEST VERIFICATION - VER-2.
No®Go To 5
5 Turn the ignition off.
Remove the A/C Clutch Relay from the IPM.
Disconnect the A/C Clutch harness connector.
Measure the resistance between ground and the A/C Clutch Relay Output circuit.
Is the resistance above 100k ohms?All
Ye s®Go To 6
No®Repair the A/C Clutch Relay Output circuit for a short to ground.
Inspect fuse and replace as necessary.
Perform ROAD TEST VERIFICATION - VER-2.
6 Turn the ignition off.
Remove the A/C Clutch Relay from the IPM.
Disconnect the A/C Clutch harness connector.
Measure the resistance of the A/C Clutch Relay Output circuit.
Is the resistance below 5.0 ohms?All
Ye s®Go To 7
No®Repair the A/C Clutch Relay Output circuit for an open.
Perform ROAD TEST VERIFICATION - VER-2.
7 Turn the ignition off.
Disconnect the A/C Clutch harness connector.
Using a 12-volt test light connected to 12-volts, check the A/C Clutch Ground circuit.
Does the test light illuminate brightly?All
Ye s®Go To 8
No®Repair the A/C Clutch Ground circuit for an open.
Perform ROAD TEST VERIFICATION - VER-2.
8 If there are no possible causes remaining, view repair. All
Repair
Replace the A/C Clutch.
Perform ROAD TEST VERIFICATION - VER-2.
180
DRIVEABILITY - DIESEL
*CHECKING THE A/C CLUTCH OPERATION ÐContinued

Symptom:
*CHECKING THE ECM POWER AND GROUND CIRCUITS
POSSIBLE CAUSES
ECM GROUND CIRCUIT(S) OPEN
ECM/PCM RELAY OUTPUT CIRCUIT(S) OPEN
FUSED ECM/PCM RELAY BATTERY SUPPLY CIRCUIT OPEN
FUSED IGNITION SWITCH OUTPUT CIRCUIT OPEN
TEST ACTION APPLICABILITY
1 Turn the ignition off.
Disconnect the ECM harness connectors.
Using a 12-volt test light connected to 12-volts, check both of the ECM ground
circuits in ECM harness connector C1 cavities 1 and 2.
Did the test light illuminate for both cavities?All
Ye s®Go To 2
No®Repair the ECM Ground circuit(s) for an open.
Perform ROAD TEST VERIFICATION - VER-2.
2 Turn the ignition off.
Disconnect the ECM harness connectors.
Turn the ignition on.
Using a 12-volt test light connected to ground, check the Fused Ignition Switch
Output circuit in ECM harness connector C1 cavity 22.
Is the test light on?All
Ye s®Go To 3
No®Repair the Fused Ignition Switch Output circuit for an open.
Perform ROAD TEST VERIFICATION - VER-2.
3 Turn the ignition off.
Remove the ECM/PCM Relay from the IPM.
Using a 12-volt test light connected to ground, check the Fused ECM/PCM Relay
Battery Supply circuit in ECM/PCM Relay connector cavity 30.
Is the test light on?All
Ye s®Go To 4
No®Repair the Fused ECM/PCM Relay Battery Supply circuit for an
open.
Perform ROAD TEST VERIFICATION - VER-2.
183
DRIVEABILITY - DIESEL

Symptom:
*CHECKING THE ELECTRIC RADIATOR FAN OPERATION
POSSIBLE CAUSES
ACTUATE THE HIGH AND LOW SPEED RADIATOR FAN WITH THE DRB
CHECK FOR RADIATOR FAN RELAY CONTROL DTCS
RADIATOR FAN RELAY NO. 1 OUTPUT CIRCUIT SHORTED TO VOLTAGE
RADIATOR FAN RELAY NO. 2 AND NO. 3 COMMON OUTPUT CIRCUIT SHORTED TO VOLTAGE
RADIATOR FAN NO. 1 CONTROL CIRCUIT SHORTED TO VOLTAGE
RADIATOR FAN RELAY NO. 1 FUSED B+ CIRCUIT OPEN
RADIATOR FAN RELAY NO. 2 AND NO. 3 COMMON OUTPUT CIRCUIT SHORTED TO GROUND
RADIATOR FAN RELAY NO. 2 FUSED B+ CIRCUIT OPEN
RADIATOR FAN RELAY NO. 3 FUSED B+ CIRCUIT OPEN
RADIATOR FAN NO. 1 CONTROL CIRCUIT SHORTED TO GROUND
RADIATOR FAN RELAY NO. 1
RADIATOR FAN RELAY NO. 1 - INTERNAL SHORT TO VOLTAGE
RADIATOR FAN RELAY NO. 2
RADIATOR FAN RELAY NO. 2 OR NO. 3 - INTERNAL SHORT TO VOLTAGE
RADIATOR FAN RELAY NO. 3
RADIATOR FAN NO. 1 - SHORTED
RADIATOR FAN NO. 2 - SHORTED
RADIATOR FAN RELAY NO. 1 OUTPUT CIRCUIT SHORTED TO GROUND
RADIATOR FAN RELAY NO. 2 AND NO. 3 COMMON OUTPUT CIRCUIT OPEN FROM RELAY NO.
2
RADIATOR FAN RELAY NO. 3 GROUND CIRCUIT OPEN
HIGH SPEED RADIATOR FAN DUAL RELAY CONTROL CIRCUIT OPEN
RADIATOR FAN RELAY NO. 1 OUTPUT CIRCUIT OPEN
RADIATOR FAN NO. 1 CONTROL CIRCUIT OPEN
RADIATOR FAN RELAY NO. 2 AND NO. 3 COMMON OUTPUT CIRCUIT OPEN FROM RELAY NO.
3
RADIATOR FAN - OPEN
RADIATOR FAN NO. 2 - OPEN
186
DRIVEABILITY - DIESEL

TEST ACTION APPLICABILITY
6 Turn the ignition on.
With the DRB, actuate the Low Speed Rad Fan and observe the Radiator Fans.
NOTE: Both Radiator Fans should operate at low speed.
Did both Radiator Fans operate as they should?All
Ye s®Go To 7
Fans do not operate on Low
Go To 15
Fan 1 on High/Fan 2 not on
Go To 23
Fan 1 not on/Fan 2 on High
Go To 26
7 Turn the ignition on.
With the DRB, actuate the High and Low Speed Rad Fans at the same time and
observe the Radiator Fans.
NOTE: Both Radiator Fans should operate at high speed.
Did both Radiator Fans operate as they should?All
Ye s®The test is complete. Ensure the ECM will turn the fans on when
the engine is hot.
Perform ROAD TEST VERIFICATION - VER-2.
Fan 1 on High/Fan 2 not on
Go To 8
Fan 1 not on/Fan 2 on High
Go To 11
8 Turn the ignition off.
Disconnect the Radiator Fan Relay No. 2 harness connector.
Using a 12-volt test light connected to ground, check the Fused B+ circuit.
Did the test light illuminate brightly?All
Ye s®Go To 9
No®Repair the Radiator Fan Relay No. 2 Fused B+ circuit for an open.
Perform ROAD TEST VERIFICATION - VER-2.
9 Turn the ignition off.
Install a substitute relay in place of Radiator Fan Relay No. 2.
Turn the ignition on.
With the DRB, actuate the High Speed Fan Relay.
Does Radiator Fan No. 2 cycle on and off?All
Ye s®Replace Radiator Fan Relay No. 2.
Perform ROAD TEST VERIFICATION - VER-2.
No®Go To 10
188
DRIVEABILITY - DIESEL
*CHECKING THE ELECTRIC RADIATOR FAN OPERATION ÐContinued

TEST ACTION APPLICABILITY
10 Turn the ignition off.
Disconnect the Radiator Fan Relay No. 2 harness connector.
Disconnect the Radiator Fan No. 2 harness connector.
Measure the resistance of the Radiator Fan Relay No. 2 and No. 3 Common Output
circuit from Radiator Fan Relay No. 2.
Is the resistance below 5.0 ohms?All
Ye s®Test Complete.
No®Repair the Radiator Fan Relay No. 2 and No. 3 Common Output
circuit from Radiator Fan Relay No. 2 for an open.
Perform ROAD TEST VERIFICATION - VER-2.
11 Turn the ignition off.
Disconnect the Radiator Fan Relay No. 3 harness connector.
Using a 12-volt test light connected to ground, check the Fused B+ circuit.
Did the test light illuminate brightly?All
Ye s®Go To 12
No®Repair the Radiator Fan Relay No. 3 Fused B+ circuit for an open.
Perform ROAD TEST VERIFICATION - VER-2.
12 Turn the ignition off.
Install a substitute relay in place of Radiator Fan Relay No. 3.
Turn the ignition on.
With the DRB, actuate the High Speed Fan Relay and then actuate the Low Speed
Fan Relay.
Does Radiator Fan No. 2 cycle on and off and then both fans cycle on and off when
requested?All
Ye s®Replace Radiator Fan Relay No. 3.
Perform ROAD TEST VERIFICATION - VER-2.
No®Go To 13
13 Turn the ignition off.
Disconnect the Radiator Fan Relay No. 3 harness connector.
Disconnect the Radiator Fan No. 2 harness connector.
Using a 12-volt test light connected to 12-volts, check the Radiator Fan Relay No. 3
Ground circuit at the Radiator Fan Relay No. 3 harness connector.
Did the test light illuminate brightly?All
Ye s®Go To 14
No®Repair the Radiator Fan Relay No. 3 Ground circuit for an open.
Perform ROAD TEST VERIFICATION - VER-2.
14 Turn the ignition off.
Disconnect the Radiator Fan Relay No. 3 harness connector.
Disconnect the ECM harness connectors.
Measure the resistance of the High Speed Radiator Fan Dual Relay Control circuit.
Is the resistance below 5.0 ohms?All
Ye s®Test Complete.
No®Repair the High Speed Radiator Fan Dual Relay Control circuit
for an open.
Perform ROAD TEST VERIFICATION - VER-2.
189
DRIVEABILITY - DIESEL
*CHECKING THE ELECTRIC RADIATOR FAN OPERATION ÐContinued