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Pinpoint Test C: DTC P0615:11, 12 And 13




Starting System


Pinpoint Tests

Pinpoint Test C: DTC P0615:11, 12 and 13

Refer to Wiring Diagram Set 117, Remote Keyless Entry and Alarm for schematic and connector information. Diagrams By Number

Normal Operation

When the Start/Stop switch is pushed to the START position and released along with the brake pedal, the PCM receives a starter motor request signal through circuit CDC35 (BU/WH) from the Remote Function Actuator (RFA) module. The customer is no longer in the loop after the initial crank request. The PCM One-Touch Integrated Start (OTIS) feature will take over, and then the PCM will disengage the starter motor based on engine running (rpm threshold), a set crank time has been exceeded or the customer presses the Start/Stop switch again.

- P0615:11 Starter Motor Relay Circuit is shorted to ground - If RFA module circuit CDC35 (BU/WH) is shorted to ground, DTC P0615:11 will be set.
- P0615:12 Starter Motor Relay Circuit is shorted to battery - If the voltage is present on circuit CDC35 (BU/WH) to the RFA module with the ignition in the OFF position, DTC P0615:12 will be set.
- P0615:13 Starter Motor Relay Circuit is open - If RFA module circuit CDC35 (BU/WH) is open, DTC P0615:13 will be set.

This pinpoint test is intended to diagnose the following:
- Circuitry
- PCM
- RFA module
- Smart Junction Box (SJB)
- Starter motor relay



PINPOINT TEST C: DTC P0615:11, 12 and 13

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C1 CHECK DTC FAILURE TYPE


- Check the RFA module DTC failure type.
- Is DTC P0615:12 present?

Yes
GO to C2.

No
For DTC P0615:11GO to C6. For DTC P0615:13 GO to C10.

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C2 CHECK CIRCUIT CDC35 (BU/WH) AND CIRCUIT CE336 (GN/WH) FOR A SHORT TO BATTERY


NOTICE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.

- Disconnect: Starter Motor Relay.
- Disconnect: SJB C2280E.
- Disconnect: PCM C175b.
- Disconnect: RFA Module C2153b.
- Measure the voltage between RFA module C2153b-2, (green connector) circuit CDC35 (BU/WH), harness side and ground.




- Is any voltage present?

Yes
REPAIR circuit CDC35 (BU/WH) or circuit CE336 (GN/WH) for short to battery. TEST the system for normal operation.

No
GO to C3.

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C3 CHECK THE STARTER MOTOR RELAY FOR A SHORT


- Connect: Starter Motor Relay.
- Measure the voltage between RFA module C2153b-2, circuit CDC35 (BU/WH), harness side and ground.




- Is any voltage present?

Yes
INSTALL a new starter motor relay. TEST the system for normal operation.

No
GO to C4.

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C4 CHECK THE SJB FOR A SHORT


- Disconnect: Starter Motor Relay.
- Connect: SJB C2280E.
- Measure the voltage between RFA module C2153b-2, circuit CDC35 (BU/WH), harness side and ground.




- Is any voltage present?

Yes
INSTALL a new SJB. TEST the system for normal operation.

No
GO to C5.

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C5 CHECK THE PCM FOR A SHORT


- Disconnect: SJB C2280E.
- Connect: PCM C175b.
- Measure the voltage between RFA module C2153b-2, circuit CDC35 (BU/WH), harness side and ground.




- Is any voltage present?

Yes
INSTALL a new PCM. TEST the system for normal operation.

No
INSTALL a new RFA module. TEST the system for normal operation.

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C6 CHECK CIRCUIT CDC35 (BU/WH) AND CIRCUIT CE336 (GN/WH) FOR A SHORT TO GROUND


- Disconnect: Starter Motor Relay.
- Disconnect: SJB C2280E.
- Disconnect: PCM C175b.
- Disconnect: RFA Module C2153b.
- Measure the resistance between RFA module C2153b-2, circuit CDC35 (BU/WH), harness side and ground.




- Is the resistance greater than 10,000 ohms?

Yes
GO to C7.

No
REPAIR circuit CDC35 (BU/WH) or circuit CE336 (GN/WH) for short to ground. TEST the system for normal operation.

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C7 ISOLATE THE STARTER MOTOR RELAY


- Connect: Starter Motor Relay.
- Measure the resistance between RFA module C2153b-2, circuit CDC35 (BU/WH), harness side and ground.




- Is the resistance greater than 10,000 ohms?

Yes
GO to C8.

No
INSTALL a new starter motor relay. TEST the system for normal operation.

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C8 ISOLATE THE SJB


- Disconnect: Starter Motor Relay.
- Connect: SJB C2280E.
- Measure the resistance between RFA module C2153b-2, circuit CDC35 (BU/WH), harness side and ground.




- Is the resistance greater than 10,000 ohms?

Yes
GO to C9.

No
INSTALL a new SJB. TEST the system for normal operation.

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C9 ISOLATE THE PCM


- Disconnect: SJB C2280E.
- Connect: PCM C175b.
- Measure the resistance between RFA module C2153b-2, circuit CDC35 (BU/WH), harness side and ground.




- Is the resistance greater than 10,000 ohms?

Yes
INSTALL a new RFA module. TEST the system for normal operation.

No
INSTALL a new PCM. TEST the system for normal operation.

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C10 CHECK CIRCUIT CDC35 (BU/WH) FOR AN OPEN BETWEEN RFA MODULE AND PCM


- Measure the resistance between the RFA module C2153b-2, circuit CDC35 (BU/WH), harness side and PCM C175b-9, circuit CDC35 (BU/WH), harness side.




- Is the resistance less than 5 ohms?

Yes
GO to C11.

No
REPAIR circuit CDC35 (BU/WH) for an open. TEST the system for normal operation.

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C11 CHECK CIRCUIT CDC35 (BU/WH) FOR AN OPEN BETWEEN RFA MODULE AND START DIODE


- Disconnect: Start Diode.
- Measure the resistance between the RFA module C2153b-2, circuit CDC35 (BU/WH), harness side and start diode, circuit CDC35 (BU/WH), harness side.




- Is the resistance less than 5 ohms?

Yes
GO to C12.

No
REPAIR circuit CDC35 (BU/WH) for an open. TEST the system for normal operation.

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C12 CHECK CIRCUIT CE336 (GN/WH) FOR AN OPEN BETWEEN START DIODE AND STARTER MOTOR RELAY


- Measure the resistance between the start diode, circuit CE336 (GN/WH), harness side and BJB starter motor relay pin 85, circuit CE336 (GN/WH), harness side.




- Is the resistance less than 5 ohms?

Yes
GO to C13.

No
REPAIR circuit CE336 (GN/WH) for an open. TEST the system for normal operation.

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C13 CHECK CIRCUIT CE336 (GN/WH) FOR AN OPEN BETWEEN STARTER MOTOR RELAY SJB


- Measure the resistance between the BJB starter motor relay pin 85, circuit CE336 (GN/WH), harness side and SJB C2280e-8, circuit CE336 (GN/WH), harness side.




- Is the resistance less than 5 ohms?

Yes
GO to C14.

No
REPAIR circuit CE336 (GN/WH) for an open. TEST the system for normal operation.

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C14 CHECK THE STARTER MOTOR RELAY


- Carry out the Starter Motor Relay Component Test.

- Did the starter motor relay pass the component test?

Yes
INSTALL a new RFA module. TEST the system for normal operation.

No
INSTALL a new starter motor relay. TEST the system for normal operation.

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