Dodge Caliber. Manual — part 1403
B10B9–CABIN HEATER 2 CONTROL CIRCUIT HIGH (TIPM)
For a complete wiring diagram Refer to Section 8W
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HEATING & AIR CONDITIONING ELECTRICAL DIAGNOSTICS
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•
When Monitored:
With the ignition on, the Cabin Heater Relay 2 is commanded on.
•
Set Condition:
If the Totally Integrated Power Module detects a short to voltage on the (K232) Cabin Heater Relay 2 Control
circuit.
Possible Causes
(K232) CABIN HEATER RELAY 2 CONTROL CIRCUIT SHORTED TO VOLTAGE
CABIN HEATER RELAY 2
TOTALLY INTEGRATED POWER MODULE (TIPM)
Diagnostic Test
1.
VERIFY THAT THE DTC IS ACTIVE
Turn the ignition on.
With the scan tool, erase DTCs.
With the scan tool, actuate the Cabin Heater 2 Relay.
Monitor the scan tool for at least two minutes.
With the scan tool, read DTCs.
Does the scan tool, display active: B10B9–CABIN HEATER 2 CONTROL CIRCUIT HIGH?
Yes
>> Go To 2
No
>> The condition that caused this symptom is currently not present. Check for an intermittent condition by
inspecting the related wiring harness for chafed, pierced, pinched, and partially broken wires. Also,
inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated termi-
nals. Repair as necessary.
Perform the BODY VERIFICATION TEST VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES/FRONT CONTROL MODULE - DIAGNOSIS AND TESTING).
2.
CHECK THE (K232) CABIN HEATER RELAY 2 CONTROL CIRCUIT FOR SHORT TO VOLTAGE
Turn the ignition off.
Disconnect the TIPM C1 harness connector.
Remove the Cabin Heater Relay 2.
Turn the ignition on.
With a volt meter, measure the voltage on the (K232) Cabin Heater
Relay 2 Control circuit.
Does the volt meter read 1.0 volt or above?
Yes
>> Repair short to voltage on the (K232) Cabin Heater Relay 2
Control circuit.
Perform the BODY VERIFICATION TEST VER 1. (Refer to
8 - ELECTRICAL/ELECTRONIC CONTROL MODULES/
FRONT CONTROL MODULE - DIAGNOSIS AND TEST-
ING).
No
>> Go To 3
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HEATING & AIR CONDITIONING ELECTRICAL DIAGNOSTICS
PM
3.
TOTALLY INTEGRATED POWER MODULE
Turn the ignition on.
With the scan tool, erase DTCs.
With the scan tool, actuate the Cabin Heater 2 Relay.
Monitor the scan tool for at least two minutes.
With the scan tool, read DTCs.
Does the scan tool display active: B10B9–CABIN HEATER 2
CONTROL CIRCUIT HIGH?
Yes
>> Replace the Totally Integrated Power Module (TIPM in
accordance with the service information.
Perform the BODY VERIFICATION TEST VER 1. (Refer to
8 - ELECTRICAL/ELECTRONIC CONTROL MODULES/
FRONT CONTROL MODULE - DIAGNOSIS AND TEST-
ING).
No
>> Replace the Cabin Heater Relay 2 in accordance with the
service information.
Perform the BODY VERIFICATION TEST VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES/FRONT CONTROL MODULE - DIAGNOSIS AND TESTING).
PM
HEATING & AIR CONDITIONING ELECTRICAL DIAGNOSTICS
24 - 31
B10BA–CABIN HEATER 2 CONTROL CIRCUIT OPEN (TIPM)
For a complete wiring diagram Refer to Section 8W
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HEATING & AIR CONDITIONING ELECTRICAL DIAGNOSTICS
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