Chrysler 2005 Crossfire SRT6 Service Manual page 3742

23 - 194 CONVERTIBLE TOP
9921 POWER TOP SWITCH (ROOF OPEN/CLOSE) CIRCUIT SHORT TO B(+) (CONTINUED)
• When Monitored: Continuous with the ignition on.
• Set Condition: When the Power Top Control Module (PTCM) senses high current flow at the Power Top
Switch (Open/Close) sense.
POWER TOP SWITCH INDICATOR DRIVER CIRCUIT SHORTED TO B(+)
POWER TOP SWITCH
POWER TOP CONTROL MODULE
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding.
Diagnostic Test
1.
Power Top Switch
Turn the ignition off.
Disconnect the Power Top Switch harness connector.
Note: Check connectors — Clean/repair as necessary.
Measure the resistance between the Power Top Switch Signal circuit
and the Power Top Switch Indicator Driver circuit from the Power Top
Switch connector.
Is the resistance below 5.0 ohms?
Yes >> Replace the Power Top Switch.
Perform POWER TOP CONTROL MODULE VERIFICA-
TION TEST.
No >> Go To 2
2.
Power Top Switch Circuit Short To (B+)
With the ignition off.
Disconnect the Power Top Control Module C1 harness connector.
Note: Check connectors — Clean/repair as necessary.
Turn the ignition on.
Measure the voltage between ground and the Power Top Switch cir-
cuit.
Is the voltage above 1.0 volts?
Yes >> Repair the Power Top Switch circuit for a short to (B+).
Perform POWER TOP CONTROL MODULE VERIFICA-
TION TEST.
No >> Replace the Power Top Control Module.(Refer to 8 -
ELECTRICAL/ELECTRONIC
POWER TOP CONTROL MODULE - REMOVAL).
Perform POWER TOP CONTROL MODULE VERIFICA-
TION TEST.
Possible Causes
CONTROL MODULES/
ZH