2006 DODGE RAM SRT-10 Service Repair Manual

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DODGE RAM SRT-10 2006  Service Repair Manual 6.PCM
NOTE: Before continuing, check the PCM harness connector terminals for corrosion, damage, or terminal
push out. Repair as necessary.
Using the schematics as a guide, inspect the wire harness and

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DODGE RAM SRT-10 2006  Service Repair Manual P0138-O2 SENSOR 1/2 CIRCUIT HIGH
For a complete wiring diagramRefer to Section 8W.

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DODGE RAM SRT-10 2006  Service Repair Manual When Monitored:
With battery voltage greater than 10.4 volts, engine running for more than4 minutes and coolant temperature
above 180°F.
Set Condition:
The oxygen sensor voltage is above 1.5 volts.
P

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DODGE RAM SRT-10 2006  Service Repair Manual 3.(K141) O2 SENSOR 1/2 SIGNAL CIRCUIT SHORTED TO VOLTAGE
Turn the ignition off.
Disconnect the PCM harness connectors.
Ignition on, engine not running.
Using a 12-volt test light connected to ground,

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DODGE RAM SRT-10 2006  Service Repair Manual 5.(K141) O2 SENSOR 1/2 SIGNAL CIRCUIT SHORTED TO THE (K344) O2 HEATER RELAY OUTPUT CIRCU
IT
Measure the resistance between the (K141) O2 Sensor 1/2 Signal cir-
cuit and the (K344) O2 Heater Relay Outp

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DODGE RAM SRT-10 2006  Service Repair Manual 7.(K344) O2 SENSOR HEATER RELAY OUTPUT CIRCUIT OPEN
Connect the PCM harness connectors.
Ignition on, engine not running.
With the scan tool actuate the O2 Heater Test.
Measure the voltage on the (K344

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DODGE RAM SRT-10 2006  Service Repair Manual P0139-O2 SENSOR 1/2 SLOW RESPONSE
For a complete wiring diagramRefer to Section 8W.

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DODGE RAM SRT-10 2006  Service Repair Manual Theory of Operation
The downstream O2 Sensor is located in the exhaust path behind the catalytic converter, is monitored for proper
response to assure optimum catalytic converter efficiency. The downs