2000 CHRYSLER VOYAGER air condition

TEST ACTION APPLICABILITY
8 Ignition On, Engine Not Running.
With the DRB, read codes.
With the DRB, actuate the Evap Purge Solenoid.
Wiggle Wiring Harness from the Solenoid to PCM.
Does the Evap Purge Solenoid Control Circuit code return?ALL
Ye s®Repair as necessary where wiggling caused problem to appear.
Perform Powertrain Verification Test VER-5A.
No®Go To 9
9 Ignition Off.
Using the Schematic as a guide, inspect the Wiring and Connectors.
Were any problems found?ALL
Ye s®Repair as necessary.
Perform Powertrain Verification Test VER-5A.
No®Go To 10
10 Check the freeze frame data to determine the conditions when code was set.
Attempt duplication of 'freeze frame' conditions for added diagnostics.
If there are no other possible causes remaining there is assumed to be an9intermit-
tent9problem with a Wiring Harness Connector or Wire.
View repair options.ALL
Repair
Visually inspect related Wire Harness Connectors and Harnesses.
Look for broken, bent, pushed out, or corroded terminals and for
chafed, pierced, or partiallly broken wire, respectively. Refer to
any hotlines or technical service bulletins that apply.
11 Ignition On, Engine Not Running.
With the DRB, actuate the Evap Purge Solenoid.
With the DRB, read codes.
Is the Global Good Trip displayed and equal to 0?ALL
Ye s®Go To 12
No®Go To 18
12 Ignition Off.
Disconnect Proportional Purge Solenoid Connector.
Note: Check connectors - Clean/repair as necessary.
Using an Ohmmeter, measure the resistance of the Proportional Purge Solenoid.
Is the resistance 14.2 ohms +/- 1.4?ALL
Ye s®Go To 13
No®Replace the open Proportional Purge Solenoid.
Perform Powertrain Verification Test VER-5A.
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P-0443 EVAP PURGE SOLENOID CIRCUIT ÐContinued
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TEST ACTION APPLICABILITY
16 Ignition Off.
Disconnect Proportional Purge Solenoid Connector.
Note: Check connectors - Clean/repair as necessary.
Disconnect the battery.
Note: Check connectors - Clean/repair as necessary.
Disconnect the Powertrain Control Module.
Note: Check connectors - Clean/repair as necessary.
Using and Ohmmeter, measure the PWM Purge Sense Circuit PCM to Solenoid
Connector.
Is the resistance below 5.0 ohms?ALL
Ye s®Go To 17
No®Repair the open PWM Purge Sense Circuit.
Perform Powertrain Verification Test VER-5A.
17 If there are no potential causes remaining, the Powertrain Control Module is
assumed to be defective.
View repair options.ALL
Repair
Replace the Powertrain Control Module.
Perform Powertrain Verification Test VER-5A.
18 Ignition On, Engine Not Running.
With the DRB, actuate the Evap Purge Solenoid.
With the DRB, read codes.
Wiggle Wiring Harness from the Solenoid to PCM.
Does the Evap Purge Solenoid Control Circuit code return?ALL
Ye s®Repair as necessary where wiggling caused problem to appear.
Perform Powertrain Verification Test VER-5A.
No®Go To 19
19 Ignition Off.
Using the schematic as a guide, inspect the Wiring and Connectors.
Were any problems found?ALL
Ye s®Repair as necessary.
Perform Powertrain Verification Test VER-5A.
No®Go To 20
20 Check the freeze frame data to determine the conditions when code was set.
Attempt duplication of 'freeze frame' conditions for added diagnostics.
If there are no other possible causes remaining there is assumed to be an9intermit-
tent9problem with a Wiring Harness Connector or Wire.
View repair options.ALL
Repair
Visually inspect related Wire Harness Connectors and Harnesses.
Look for broken, bent, pushed out, or corroded terminals and for
chafed, pierced, or partiallly broken wire, respectively. Refer to
any hotlines or technical service bulletins that apply.
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DRIVEABILITY
P-0443 EVAP PURGE SOLENOID CIRCUIT ÐContinued
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Symptom:
P-0505 IDLE AIR CONTROL MOTOR CIRCUITS
When Monitored and Set Condition:
P-0505 IDLE AIR CONTROL MOTOR CIRCUITS
When Monitored: At key on and battery voltage greater than 11.5 volts.
Set Condition: The PCM senses a short to ground or battery voltage on any of the four
IAC driver circuits for 2.75 seconds while the IAC motor is active.
POSSIBLE CAUSES
IAC #4 DRIVER CIRCUIT SHORTED TO GROUND
IDLE AIR CONTROL MOTOR DEFECTIVE
POWERTRAIN CTRL MODULE CONNECTOR OBSERVABLE DEFECT
IAC #1 DRIVER CIRCUIT SHORTED TO #2, #3, OR #4
IAC #1 DRIVER CIRCUIT SHORTED TO GROUND
IAC #2 DRIVER CIRCUIT SHORTED TO #3 OR #4
IAC #2 DRIVER CIRCUIT SHORTED TO GROUND
IAC #3 DRIVER CIRCUIT SHORTED TO #4
IAC #3 DRIVER CIRCUIT SHORTED TO GROUND
IAC MOTOR WIRING HARNESS INTERMITTENT DEFECT
IAC MOTOR WIRING HARNESS OBSERVABLE DEFECT
TEST ACTION APPLICABILITY
1 Turn ignition off for 10 seconds, then start engine and let idle.
Allow engine to reach normal operating temperature.
With the DRB in actuators, set RPM to 1400.
Is the engine speed 1400 +/- 100 RPM?All
Ye s®Go To 2
No®Go To 6
2 Turn ignition off for 10 seconds, then start engine and let idle.
Allow engine to reach normal operating temperature.
With the DRB in actuators, set RPM to 900.
Is the engine speed 900 +/- 100 RPM?All
Ye s®Go To 3
No®Go To 6
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DRIVEABILITY
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Symptom:
P-0645 A/C CLUTCH RELAY CIRCUIT
When Monitored and Set Condition:
P-0645 A/C CLUTCH RELAY CIRCUIT
When Monitored: With the ignition key on and battery voltage greater than 10 volts.
Set Condition: An open or shorted condition is detected in the A/C clutch relay control
circuit.
POSSIBLE CAUSES
FUSED IGNITION SWITCH OUTPUT CIRCUIT OPEN
AIR CONDITIONING CLUTCH RELAY DEFECTIVE
A/C CLUTCH RELAY CIRCUIT WITHOUT INTER DEFECT
A/C CLUTCH RELAY CIRCUIT WITHOUT OBSER DEFECT
A/C CLUTCH RELAY CONTROL CIRCUIT SHORT TO GROUND
AIR CONDITIONING CLUTCH RELAY CONTROL CIRCUIT OPEN
PCM DEF (A/C CLUTCH RELAY)
TEST ACTION APPLICABILITY
1 Ignition On, Engine Not Running
Actuate the Air Conditioning Clutch Relay.
Is the Air Conditioning Clutch Relay clicking?All
Ye s®Go To 2
No®Go To 4
2 Ignition On, Engine Not Running
Actuate the Air Conditioning Clutch Relay.
Wiggle the Wiring Harness from the Relay to the PCM.
Did the wiggling interrupt the clicking?All
Ye s®Repair as necessary where wiggling caused the clicking to be
interrupted.
Perform Powertrain Verification Test VER-2A.
No®Go To 3
3 Ignition Off
Using the schematic as a guide, inspect the Wiring and Connectors.
Were any problems found?All
Ye s®Repair as necessary.
Perform Powertrain Verification Test VER-2A.
No®Test Complete.
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TEST ACTION APPLICABILITY
4 Ignition Off
Remove the Air Conditioning Clutch Relay.
Note: Check connectors - Clean/repair as necessary.
Using a Voltmeter, measure the Fused Ignition Switch Output Circuit.
Is the voltage above 10.0 volts?All
Ye s®Go To 5
No®Repair the open Fused Ignition Switch Output Circuit.
Perform Powertrain Verification Test VER-2A.
5 Ignition Off
Remove the Air Conditioning Clutch Relay.
Note: Check connectors - Clean/repair as necessary.
Using an ohmmeter, measure the resistance between terminals C (85) and A (86) of
the Air Conditioning Clutch Relay.
Is the resistance below between 50 to 90 ohms?All
Ye s®Go To 6
No®Replace the Air Conditioning Clutch Relay.
Perform Powertrain Verification Test VER-2A.
6 Ignition Off
Disconnect the PCM grey connector.
Note: Check connectors - Clean/repair as necessary.
Using an Ohmmeter, measure the A/C Clutch Control Circuit from the PCM
connector to ground.
Is the resistance below 5.0 ohms?All
Ye s®Repair the Air Conditioning Clutch Relay Control Circuit for a
short to ground.
Perform Powertrain Verification Test VER-2A.
No®Go To 7
7 Ignition Off
Disconnect the PCM grey connector.
Remove the Air Conditioning Clutch Relay.
Note: Check connectors - Clean/repair as necessary.
Using an ohmmeter, measure the resistance of the Air Conditioning Clutch Relay
Control Circuit from the relay to the PCM.
Is the resistance below 5.0 ohms?All
Ye s®Go To 8
No®Repair open Air Conditioning Clutch Relay Control Circuit.
Perform Powertrain Verification Test VER-2A.
8 Ignition Off
If there are no potential causes remaining, the PCM is assumed to be defective.
View repair options.All
Repair
Replace the PCM.
Perform Powertrain Verification Test VER-2A.
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P-0645 A/C CLUTCH RELAY CIRCUIT ÐContinued
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Symptom:
P-0703 BRAKE SWITCH STUCK PRESSED OR RELEASED
When Monitored and Set Condition:
P-0703 BRAKE SWITCH STUCK PRESSED OR RELEASED
When Monitored: With engine running. The PCM expects the signal to be high for 16
cycles while it monitors the brake switch signal during accel and decel modes.
Set Condition: After the vehicle speed increases, the PCM must accumulate 6 seconds
while delta throttle voltage is above 0.02 volt. The count is reset to zero whenever the
brake switch indicates a low signal.
POSSIBLE CAUSES
BRAKE SWITCH GROUND CIRCUIT OPEN
BRAKE SWITCH INTERNAL SHORT
BRAKE SWITCH SENSE CIRCUIT OPEN
BRAKE SWITCH SENSE CIRCUIT SHORT TO GROUND
PCM CONNECTOR OBSERVABLE DEFECT
PCM DEF (VOLTAGE HIGH)
PCM DEF (VOLTAGE LOW)
TEST ACTION APPLICABILITY
1 Ignition Off
Disconnect the Brake Switch Connector.
Note: Check connectors - Clean/repair as necessary.
Key on.
With a Voltmeter, measure the Brake Switch Sense Circuit at the Brake Switch
Connector.
Is the voltage above 9.0 volts?All
Ye s®Go To 2
No®Go To 5
2 Ignition Off
Disconnect the Brake Switch Connector.
Note: Check connectors - Clean/repair as necessary.
With an Ohmmeter, measure the Brake Switch Ground Circuit at the Brake Switch
Connector to ground.
Is the resistance below 5.0 ohms?All
Ye s®Go To 3
No®Repair the Brake Switch Ground Circuit.
Perform Powertrain Verification Test VER-2A.
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Symptom:
P-1195 SLOW 1/1 O2S DURING CATALYST MONITOR
When Monitored and Set Condition:
P-1195 SLOW 1/1 O2S DURING CATALYST MONITOR
When Monitored: With the engine running, coolant greater than 76 deg C (170 deg F),
open throttle, steady to slight increasing vehicle speed > 28 Km/h (18 mph) < 88 Km/h (55
mph), with a light load on the engine, for a period no less than five minutes.
Set Condition: The upstream oxygen sensor signal voltage is switching from below 0.39
volt to above 0.6 volt and back fewer times than required.
POSSIBLE CAUSES
OXYGEN SENSOR GROUND CIRCUIT OPEN
1/1 OXYGEN SENSOR CONNECTOR OBSERVABLE DEFECT
1/1 OXYGEN SENSOR DEFECTIVE
ENGINE FLUID CONSUMPTION
EXHAUST SYSTEM LEAKING
PCM CONNECTOR OBSERVABLE DEFECT
TEST ACTION APPLICABILITY
1 Start Engine
Note: Check the Exhaust for excessive smoke caused by oil or coolant
consumption.
Is there an oil or coolant consumption condition present?All
Ye s®Repair engine mechanical as necessary, and replace Upstream O2
Sensor.
Perform Powertrain Verification Test VER-5A.
No®Go To 2
2 Start Engine
Check the Exhaust System for leaks between Engine and Catalytic Converter.
Is there any Exhaust leak?All
Ye s®Repair or replace leaking Exhaust parts as necessary.
Perform Powertrain Verification Test VER-5A.
No®Go To 3
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TEST ACTION APPLICABILITY
3 Ignition Off
Disconnect the Upstream Oxygen Sensor Connector.
Note: Check connectors - Clean/repair as necessary.
Using an Ohmmeter, measure the resistance from the O2 Sensor Ground Circuit to
a good ground.
Is the resistance below 5.0 ohms?All
Ye s®Go To 4
No®Repair the open Sensor Ground Circuit to the Upstream Oxygen
Sensor.
Perform Powertrain Verification Test VER-5A.
4 Ignition Off
Disconnect the Upstream Oxygen Sensor Connector.
Note: Check connectors - Clean/repair as necessary.
Inspect the Connectors and Terminals.
Is any Terminal damaged, pushed out or miswired?All
Ye s®Repair or replace as necessary.
Perform Powertrain Verification Test VER-5A.
No®Go To 5
5 Ignition Off
Disconnect the Powertrain Control Module Connector.
Note: Check connectors - Clean/repair as necessary.
Inspect the Connector.
Is the Connector condition OK?All
Ye s®Go To 6
No®Repair as necessary.
Perform Powertrain Verification Test VER-5A.
6 If there are no potential causes remaining, the Upstream Oxygen Sensor is assumed
to be defective.
View repair options.All
Repair
Replace the Upstream Oxygen Sensor.
Perform Powertrain Verification Test VER-5A.
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P-1195 SLOW 1/1 O2S DURING CATALYST MONITOR ÐContinued
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