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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