TEST
ACTION
APPLICABILITY
10
Turn the ignition off.
Verify the Clutch Cycling Switch operation per the service information.
Is the Clutch Cycling switch OK?
All
Yes
→
Go To
11
No
→
Replace the Clutch Cycling Switch.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
11
Turn the ignition off.
Verify the High Pressure Cut-Off Switch per the service information.
Is the High Pressure Cut-Off Switch OK?
All
Yes
→
Go To
12
No
→
Replace the High Pressure Cut-Off Switch.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
12
Turn the ignition off.
Verify the Low Pressure Switch operation per the service information.
Is the Low Pressure Switch OK?
All
Yes
→
Go To
13
No
→
Replace the Low Pressure Switch.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
13
Turn the ignition off.
Disconnect the A/C Clutch harness connector.
Remove the A/C Clutch Relay.
Note: Check connectors - Clean/repair as necessary.
Measure the A/C Clutch Relay Output from the Relay to the A/C Clutch Coil.
Is the resistance below 5.0 ohms?
All
Yes
→
Go To
14
No
→
Repair the open A/C Clutch Relay Output Circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
14
Ignition on, engine not running.
With the DRBIII
t, actuate the A/C clutch relay.
Measure the A/C Clutch Relay Output at the A/C Clutch harness connector.
Does the voltage fluctuate between 0.0 and 11.0 volts?
All
Yes
→
Replace the A/C Clutch Coil.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
No
→
Go To
15
15
Turn the ignition off.
Remove the A/C Clutch Relay.
Note: Check connectors - Clean/repair as necessary.
Measure the Fused B(+) at the Relay.
Is the voltage above 11.0 volts?
All
Yes
→
Go To
16
No
→
Repair the open Fused B(+) Circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
212
HEATING & A/C
*CHECKING A/C SYSTEM OPERATION WITH NO DTC’S —
Continued