Chrysler 2005 Crossfire SRT6 Service Manual page 3586

23 - 38 CONVERTIBLE TOP
9009/9010 POWER TOP CONTROL MODULE (PTCM) LOW VOLTAGE (CONTINUED)
• When Monitored: Ignition on and battery voltage below 9.6 volts.
• Set Condition: When the battery voltage to the PTCM falls below a calibrated value for a calibrated
amount of time.
OPEN FUSED B(+) CIRCUIT
CHARGING SYSTEM OPERATION
POWER TOP CONTROL MODULE
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding.
Diagnostic Test
1.
Charging System
Start the engine and allow the engine to idle.
With the DRB III , monitor the Battery Voltage value.
Does the DRBIII display Battery Voltage above 10.0 volts?
Yes >> Go To 2
No >> Check and repair the Charging System.
Perform POWER TOP CONTROL MODULE VERIFICA-
TION TEST.
2.
Open Fused B(+) Circuit
Turn the ignition off.
Disconnect the PTCM C1 harness connector.
Note: Check connectors — Clean/repair as necessary.
Turn the ignition on.
Measure the voltage of the Fused Ignition Switch Output circuit at the
PTCM C1 harness connector.
Is the voltage above 10.0 volts?
Yes >> Replace the Power Top Control Module.(Refer to 8 -
ELECTRICAL/ELECTRONIC
POWER TOP CONTROL MODULE - REMOVAL)
Perform POWER TOP CONTROL MODULE VERIFICA-
TION TEST.
No >> Repair the Fused B(+) circuit for an open.
Perform POWER TOP CONTROL MODULE VERIFICA-
TION TEST.
Possible Causes
CONTROL MODULES/
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