Transfer Case - Electrical Diagnostics: Other Dodge Dakota III

Monitor Conditions

1. When Monitored: With the ignition on.

Set Conditions

1. Set Condition: Transfer Case Range Select Switch voltage less than 0.1568 volts for 5 seconds

Possible Causes

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1. 1) TCASE (DTCM) SWITCH VOLTAGE LESS THAN 0.2 VOLTS Ignition on, engine not running. With the scan tool under Data Display, read the TCASE (DTCM) Switch voltage. Is the voltage less than 0.2 volts? Yes Go To step 2) . No Go To step 9) .
2. 2) (K77) 5 VOLT SELECTOR SWITCH SUPPLY CIRCUIT VOLTAGE LESS THAN 0.2 VOLTS Turn the ignition off. Disconnect the Transfer Case Selector Switch connector. Turn the ignition on. Measure the voltage of the (K77) 5 Volt Selector Switch Supply circuit. Is the voltage less than 0.2 volts? Yes Go To step 3) . No Go To step 5) .
3. 3) (K77) 5 VOLT SELECTOR SWITCH SUPPLY CIRCUIT OPEN Turn the ignition off. Disconnect the Instrument Cluster C1 connector. Measure the resistance of the (K77) 5 Volt Selector Switch Supply circuit. Is the resistance greater than 5.0 ohms? Yes Repair the (K77) 5 Volt Selector Switch Supply circuit for an open. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) . No Go To step 4) .
4. 4) (K77) 5 VOLT SELECTOR SWITCH SUPPLY CIRCUIT SHORTED TO GROUND Measure the resistance between the (K77) 5 Volt Selector Switch Supply circuit and ground. Is the resistance less than 5.0 ohms? Yes Repair the (K77) 5 Volt Selector Switch Supply circuit for a short to ground. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) . No Go To step 8) .
5. 5) TRANSFER CASE SELECTOR SWITCH Turn the ignition off. Connect a jumper wire between the (K77) 5 Volt Selector Switch Supply circuit and the (K977) Mode Select circuit in the Transfer Case Selector Switch connector. Ignition on, engine not running. With the scan tool in Data Display, read the Range Switch voltage. The switch voltage should be approximately 5 volts. Does the voltage display as described? Yes Replace the Transfer Case Selector Switch. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) . No Go To step 6) .
6. 6) (K977) MODE SELECT CIRCUIT SHORT TO GROUND Disconnect the Instrument Cluster C2 connector. Measure the resistance between the (K977) Mode Select circuit and ground. Is the resistance less than 5.0 ohms? Yes Repair the (K977) Mode Select circuit for a short to ground. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) . No Go To step 7) .
7. 7) (K977) MODE SELECT CIRCUIT OPEN Measure the resistance of the (K977) Mode Select circuit. Is the resistance above 5.0 ohms? Yes Repair the (K977) Mode Select circuit for an open. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) . No Go To step 8) .
8. 8) INSTRUMENT CLUSTER View repair. Repair Replace the Instrument Cluster in accordance with the Service Information. Perform «BODY VERIFICATION TEST - VER 1»(ref-247618-S35373433422007020100000) and «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) .
9. 9) INTERMITTENT WIRING AND CONNECTORS The conditions necessary to set this DTC are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. While monitoring the scan tool data relative to this circuit, wiggle test the wiring and connectors. Look for the data to change or for the DTC to reset during the wiggle test. Were any problems found? Yes Repair as necessary. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) . No Test complete.

1. When Monitored: With the ignition on.

1. Set Condition: Transfer Case Range Select Switch voltage greater than 4.86 volts for 5 seconds

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1. 1) TCASE (DTCM) SWITCH VOLTAGE ABOVE 4.8 VOLTS Ignition on, engine not running. With the scan tool under Data Display, read the TCASE (DTCM) Switch voltage. Is the volage above 4.8 volts? Yes Go To step 2) . No Go to step 8) .
2. 2) (K77) 5 VOLT SELECTOR SWITCH SUPPLY CIRCUIT SHORTED TO VOLTAGE Turn the ignition off. Disconnect the Transfer Case Selector Switch connector. Disconnect the Instrument Cluster C2 connector. Turn the ignition on. Measure the voltage of the (K77) 5 Volt Selector Switch Supply circuit. Is there any voltage present? Yes Repair the (K77) 5 Volt Selector Switch Supply circuit for a short to voltage. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) . No Go to step 3) .
3. 3) (K977) MODE SELECT CIRCUIT SHORTED TO VOLTAGE Measure the voltage of the (K977) Mode Select circuit. Is there any voltage present? Yes Repair the (K977) Mode Select circuit for a short to voltage. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) . No Go to step 4) .
4. 4) TRANSFER CASE SELECTOR SWITCH Turn the ignition off. Connect the Instrument Cluster C2 connector. Turn the ignition on. With the scan tool under Data Display, read the TCASE (DTCM) Switch voltage. Is the voltage equal to 0 volts? Yes Replace the Transfer Case Selector Switch. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) . No Go to step 5) .
5. 5) (K977) MODE SELECT CIRCUIT OPEN Turn the ignition off. Measure the resistance of the (K977) Mode Select circuit. Is the resistance above 5.0 ohms? Yes Repair the (K977) Mode Select circuit for an open. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) . No Go To step 6) .
6. 6) TRANSFER CASE SELECTOR SWITCH (Z973) GROUND CIRCUIT OPEN Measure the resistance between the Transfer Case Selector Switch (Z973) Ground circuit and ground. Is the resistance above 5.0 ohms? Yes Repair the Transfer Case Selector Switch (Z973) ground circuit for an open. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) . No Go To step 7) .
7. 7) INSTRUMENT CLUSTER View Repair Repair Replace the Instrument Cluster in accordance with the Service Information. Perform «BODY VERIFICATION TEST - VER 1»(ref-247618-S35373433422007020100000) and «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) .
8. 8) INTERMITTENT WIRING AND CONNECTORS The conditions necessary to set this DTC are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. While monitoring the scan tool data relative to this circuit, wiggle test the wiring and connectors. Look for the data to change or for the DTC to reset during the wiggle test. Were any problems found? Yes Repair as necessary. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) . No Test complete.

1. When Monitored: Ignition on. Battery voltage between 9 and 16 volts.

1. Set Condition: FCM detects a short to ground on the Transfer Case Position Sensor signal circuit for 2 seconds.

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1. 1) T-CASE POSITION SENSOR VOLTAGE BELOW 0.2 VOLTS Ignition on, engine not running. With the scan tool under Data Display, read the T-Case Position Sensor voltage. Is the voltage below 0.2 volts? Yes Go to step 2) . No Go to step 9) .
2. 2) (T103) 5 VOLT SUPPLY CIRCUIT VOLTAGE BELOW 0.2 VOLTS Turn the ignition off. Disconnect the Shift Motor/Mode Sensor connector. Turn the ignition on. Measure the voltage of the (T103) 5 Volt Supply circuit. Is the voltage below 0.2 volts? Yes Go to step 3) . No Go to step 5) .
3. 3) (T103) 5 VOLT SUPPLY CIRCUIT OPEN Turn the ignition off. Disconnect the Front Control Module C1 connector. Measure the resistance of the (T103) 5 Volt Supply circuit. Is the resistance above 5.0 ohms? Yes Repair the (T103) 5 Volt Supply circuit for an open. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) . No Go to step 4) .
4. 4) (T103) 5 VOLT SUPPLY CIRCUIT SHORTED TO GROUND Measure the resistance between ground and the (T103) 5 Volt Supply circuit. Is the resistance below 5.0 ohms? Yes Repair the (T103) 5 Volt Supply circuit for a short to ground. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) . No Go to step 8) .
5. 5) SHIFT MOTOR/MODE SENSOR ASSEMBLY With the scan tool under Data Display, read the T-Case Position Sensor voltage. Is the voltage above 4.5 volts? Yes Replace the Shift Motor/Mode Sensor Assembly. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) . No Go to step 6) .
6. 6) (D201) MODE SENSOR A CIRCUIT SHORTED TO GROUND Measure the resistance between ground and the (D201) Mode Sensor A circuit. Is the resistance below 5.0 ohms? Yes Repair the (D201) Mode Sensor A circuit for a short to ground. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) . No Go to step 7) .
7. 7) (D201) MODE SENSOR A CIRCUIT SHORTED TO (G180) FCM SENSOR RETURN CIRCUIT Measure the resistance between the (D201) Mode Sensor A circuit and the (G180) FCM Sensor Return circuit. Is the resistance below 5.0 ohms? Yes Repair the (D201) Mode Sensor A circuit for a short to the (G180) FCM Sensor Return circuit. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) . No Go to step 8) .
8. 8) FRONT CONTROL MODULE View repair. Repair Replace the Front Control Module in accordance with the Service Information. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) .
9. 9) INTERMITTENT WIRING AND CONNECTORS The conditions necessary to set this DTC are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. While monitoring the scan tool data relative to this circuit, wiggle test the wiring and connectors. Look for the data to change or for the DTC to reset during the wiggle test. Were any problems found? Yes Repair as necessary. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) . No Test complete.

1. When Monitored: Ignition on. Battery voltage between 9 and 16 volts

1. Set Condition: FCM detects 5 volts on the Transfer Case Range Position Sensor signal circuit for 2 seconds

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1. 1) T-CASE POSITION SENSOR VOLTAGE ABOVE 4.8 VOLTS Ignition on, engine not running. With the scan tool under Data Display, read the T-Case Position Sensor voltage. Is the voltage above 4.8 volts? Yes Go To step 2) . No Go to step 10) .
2. 2) (T103) 5 VOLT SUPPLY CIRCUIT SHORTED TO VOLTAGE Turn the ignition off. Disconnect the Shift Motor/Mode Sensor connector. Turn the ignition on. Measure the voltage of the (T103) 5 Volt Supply circuit. Is the voltage above 5.5 volts? Yes Repair the (T103) 5 Volt Supply circuit for a short to voltage. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) . No Go to step 3) .
3. 3) (D201) MODE SENSOR A CIRCUIT SHORTED TO VOLTAGE Measure the voltage of the (D201) Mode Sensor A circuit. Is the voltage above 5.5 volts? Yes Repair the (D201) Mode Sensor A circuit for a short to voltage. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) . No Go to step 4) .
4. 4) SHIFT MOTOR/MODE SENSOR ASSEMBLY Turn the ignition off. Connect a jumper wire between the (G180) FCM Sensor Return circuit and the (D201) Mode Sensor A circuit in the Shift Motor/Mode Sensor connector. Turn the ignition on. With the scan tool under Data Display, read the T-Case Position Sensor voltage. NOTE: Remove the jumper wire before continuing. Is the voltage below 0.2 volts? Yes Replace the Shift Motor/Mode Sensor assembly. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) . No Go to step 5) .
5. 5) (D201) MODE SENSOR A CIRCUIT OPEN Turn the ignition off. Disconnect the Front Control Module C1 connector. Measure the resistance of the (D201) Mode Sensor A circuit. Is the resistance above 5.0 ohms? Yes Repair the (D201) Mode Sensor A circuit for an open. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) . No Go to step 6) .
6. 6) (G180) FCM SENSOR RETURN CIRCUIT OPEN Measure the resistance of the (G180) FCM Sensor Return circuit from the Shift Motor/Mode Sensor harness connector to the FCM connector in the IPM. Is the resistance above 5.0 ohms? Yes Go to step 7) . No Go to step 9) .
7. 7) (G180) FCM SENSOR RETURN CIRCUIT OPEN (IPM) Disconnect the Integrated Power Module C1 harness connector. Measure the resistance of the (G180) FCM Sensor Return circuit from the Shift Motor/Mode Sensor harness connector to the Integrated Power Module C1 harness connector. Is the resistance above 5.0 ohms? Yes Repair the (G180) FCM Sensor Return circuit for an open. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) . No Go to step 8) .
8. 8) INTEGRATED POWER MODULE View repair. Repair Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) . Replace the Integrated Power Module in accordance with the Service information.
9. 9) FRONT CONTROL MODULE View repair. Repair Replace the Front Control Module in accordance with the Service information. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) .
10. 10) INTERMITTENT WIRING AND CONNECTORS The conditions necessary to set this DTC are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. While monitoring the scan tool data relative to this circuit, wiggle test the wiring and connectors. Look for the data to change or for the DTC to reset during the wiggle test. Were any problems found? Yes Repair as necessary. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) . No Test complete.

1. When Monitored: Ignition on. Battery voltage between 9 and 16 volts.

1. Set Condition: FCM detects low voltage on the Transfer Case Motor Control Circuit for 0.5 seconds.

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1. 1) DTC IS ACTIVE Ignition on, engine not running. With the scan tool, select View DTCs. Is the status Active for this DTC? Yes Go to step 2) . No Go to step 16) .
2. 2) SHIFT MOTOR CIRCUIT RESISTANCE Turn the ignition off. Remove the Front Control Module (FCM) from the Integrated Power Module (IPM). Measure the resistance between the (T315) Shift Motor Control A circuit and the (T316) Shift Motor Control B circuit at the FCM connector in the IPM. Is the resistance between 40 and 100 ohms? Yes Go to step 15) . No Go to step 3) .
3. 3) (T315) SHIFT MOTOR CONTROL A CIRCUIT OPEN Disconnect the Shift Motor/Mode Sensor Assembly harness connector. Measure the resistance of the (T315) Shift Motor Control A circuit from the Shift Motor/Mode Sensor Assembly harness connector to the FCM connector in the IPM. Is the resistance above 5.0 ohms? Yes Go to step 4) . No Go to step 5) .
4. 4) (T315) SHIFT MOTOR CONTROL A CIRCUIT OPEN (IPM) Disconnect the Integrated Power Module C5 harness connector. Measure the resistance of the (T315) Shift Motor Control A circuit from the Shift Motor/Mode Sensor Assembly harness connector to the Integrated Power Module C5 harness connector. Is the resistance above 5.0 ohms? Yes Repair the (T315) Shift Motor Control A circuit for an open. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) . No Go to step 14) .
5. 5) (T316) SHIFT MOTOR CONTROL B CIRCUIT OPEN Measure the resistance of the (T316) Shift Motor Control B circuit from the Shift Motor/Mode Sensor Assembly harness connector to the FCM connector in the IPM. Is the resistance above 5.0 ohms? Yes Go to step 6) . No Go to step 7) .
6. 6) (T316) SHIFT MOTOR CONTROL B CIRCUIT OPEN (IPM) Disconnect the Integrated Power Module C5 harness connector. Measure the resistance of the (T316) Shift Motor Control B circuit from the Shift Motor/Mode Sensor Assembly harness connector to the Integrated Power Module C5 harness connector. Is the resistance above 5.0 ohms? Yes Repair the (T316) Shift Motor Control B circuit for an open. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) . No Go to step 14) .
7. 7) (T315) SHIFT MOTOR CONTROL A CIRCUIT SHORTED TO GROUND Measure the resistance between ground and the (T315) Shift Motor Control A circuit at the Shift Motor/Mode Sensor Assembly harness connector. Is the resistance below 5.0 ohms? Yes Go to step 8) . No Go to step 9) .
8. 8) (T315) SHIFT MOTOR CONTROL A CIRCUIT SHORTED TO GROUND (IPM) Disconnect the Integrated Power Module C5 harness connector. Measure the resistance between ground and the (T315) Shift Motor Control A circuit at the Shift Motor/Mode Sensor Assembly harness connector. Is the resistance below 5.0 ohms? Yes Repair the (T315) Shift Motor Control A circuit for a short to ground. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) . No Go to step 14) .
9. 9) (T316) SHIFT MOTOR CONTROL B CIRCUIT SHORTED TO GROUND Measure the resistance between ground and the (T316) Shift Motor Control B circuit at the Shift Motor/Mode Sensor Assembly harness connector. Is the resistance below 5.0 ohms? Yes Go to step 10) . No Go to step 11) .
10. 10) (T316) SHIFT MOTOR CONTROL B CIRCUIT SHORTED TO GROUND (IPM) Disconnect the Integrated Power Module C5 harness connector. Measure the resistance between ground and the (T316) Shift Motor Control B circuit at the Shift Motor/Mode Sensor Assembly harness connector. Is the resistance below 5.0 ohms? Yes Repair the (T316) Shift Motor Control B circuit for a short to ground. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) . No Go to step 14) .
11. 11) (T315) SHIFT MOTOR CONTROL A CIRCUIT SHORTED TO (T316) SHIFT MOTOR CONTROL B CIRCUIT Measure the resistance between (T315) Shift Motor Control A circuit and the (T316) Shift Motor Control B circuit at the Shift Motor/Mode Sensor Assembly harness connector. Is the resistance below 5.0 ohms? Yes Go to step 12) . No Go to step 13) .
12. 12) (T315) SHIFT MOTOR CONTROL A CIRCUIT SHORTED TO (T316) SHIFT MOTOR CONTROL B CIRCUIT (IPM) Disconnect the Integrated Power Module C5 harness connector. Measure the resistance between (T315) Shift Motor Control A circuit and the (T316) Shift Motor Control B circuit at the Shift Motor/Mode Sensor Assembly harness connector. Is the resistance below 5.0 ohms? Yes Repair the (T315) Shift Motor Control A circuit for a short to the (T316) Shift Motor Control B circuit. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) . No Go to step 14) .
13. 13) SHIFT MOTOR/MODE SENSOR ASSEMBLY Using the wiring diagram/schematic as a guide, inspect all wiring and connectors that pertain to this circuit. Were any problems found? Yes Repair as necessary. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) . No Replace the Shift Motor/Mode Sensor assembly in accordance with the Service Information. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) .
14. 14) INTEGRATED POWER MODULE Using the wiring diagram/schematic as a guide, inspect all wiring and connectors that pertain to this circuit. Were any problems found? Yes Repair as necessary. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) . No Replace the Integrated Power Module in accordance with the Service Information. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) .
15. 15) FRONT CONTROL MODULE Using the wiring diagram/schematic as a guide, inspect all wiring and connectors that pertain to this circuit. Were any problems found? Yes Repair as necessary. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) . No Replace the Front Control Module in accordance with the Service Information. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) .
16. 16) INTERMITTENT WIRING AND CONNECTORS The conditions necessary to set this DTC are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. While monitoring the scan tool data relative to this circuit, wiggle test the wiring and connectors. Look for the data to change or for the DTC to reset during the wiggle test. Were any problems found? Yes Repair as necessary. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) . No Test complete.

1. When Monitored: Ignition on. Battery voltage between 9 and 16 volts.

1. Set Condition: The FCM detects high voltage on the Transfer Case Motor Control Circuit for 2 seconds.

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1. 1) DTC IS ACTIVE Ignition on, engine not running. With the scan tool, select View DTCs. Is the status Active for this DTC? Yes Go to step 2) . No Go to step 14) .
2. 2) (T315) SHIFT MOTOR CONTROL A CIRCUIT SHORTED TO VOLTAGE Turn the ignition off. Disconnect the Shift Motor/Mode Sensor Assembly connector. Remove the Front Control Module (FCM) from the Integrated Power Module (IPM). Turn the ignition on. Measure the voltage of the (T315) Shift Motor Control A circuit at the Shift Motor/Mode Sensor Assembly connector. Is there any voltage present? Yes Repair the (T315) Shift Motor Control A circuit for a short to voltage. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) . No Go to step 3) .
3. 3) (T316) SHIFT MOTOR CONTROL B CIRCUIT SHORTED TO VOLTAGE Measure the voltage of the (T316) Shift Motor Control B circuit at the Shift Motor/Mode Sensor Assembly connector. Is there any voltage present? Yes Repair the (T316) Shift Motor Control B circuit for a short to voltage. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) . No Go to step 4) .
4. 4) SHIFT MOTOR CIRCUIT RESISTANCE AT FCM CONNECTOR Turn the ignition off. Connect the Shift Motor/Mode Sensor Assembly connector. Measure the resistance between the (T315) Shift Motor Control A circuit and the (T316) Shift Motor Control B circuit in the FCM connector of the IPM. Is the resistance between 40 and 100 ohms? Yes Go to step 13) . No Go to step 5) .
5. 5) (T315) SHIFT MOTOR CONTROL A CIRCUIT OPEN Disconnect the Shift Motor/Mode Sensor Assembly harness connector. Measure the resistance of the (T315) Shift Motor Control A circuit from the Shift Motor/Mode Sensor Assembly harness connector to the FCM connector in the IPM. Is the resistance above 5.0 ohms? Yes Go to step 6) . No Go to step 7) .
6. 6) (T315) SHIFT MOTOR CONTROL A CIRCUIT OPEN (IPM) Disconnect the Integrated Power Module C5 harness connector. Measure the resistance of the (T315) Shift Motor Control A circuit from the Shift Motor/Mode Sensor Assembly harness connector to the Integrated Power Module C5 harness connector. Is the resistance above 5.0 ohms? Yes Repair the (T315) Shift Motor Control A circuit for an open. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) . No Go to step 12) .
7. 7) (T316) SHIFT MOTOR CONTROL B CIRCUIT OPEN Measure the resistance of the (T316) Shift Motor Control B circuit from the Shift Motor/Mode Sensor Assembly harness connector to the FCM connector in the IPM. Is the resistance above 5.0 ohms? Yes Go to step 8) . No Go to step 9) .
8. 8) (T316) SHIFT MOTOR CONTROL B CIRCUIT OPEN (IPM) Disconnect the Integrated Power Module C5 harness connector. Measure the resistance of the (T316) Shift Motor Control B circuit from the Shift Motor/Mode Sensor Assembly harness connector to the Integrated Power Module C5 harness connector. Is the resistance above 5.0 ohms? Yes Repair the (T316) Shift Motor Control B circuit for an open. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) . No Go to step 12) .
9. 9) (T315) SHIFT MOTOR CONTROL A CIRCUIT SHORTED TO (T316) SHIFT MOTOR CONTROL B CIRCUIT Measure the resistance between (T315) Shift Motor Control A circuit and the (T316) Shift Motor Control B circuit at the Shift Motor/Mode Sensor Assembly harness connector. Is the resistance below 5.0 ohms? Yes Go to step 10) . No Go to step 11) .
10. 10) (T315) SHIFT MOTOR CONTROL A CIRCUIT SHORTED TO (T316) SHIFT MOTOR CONTROL B CIRCUIT (IPM) Disconnect the Integrated Power Module C5 harness connector. Measure the resistance between (T315) Shift Motor Control A circuit and the (T316) Shift Motor Control B circuit at the Shift Motor/Mode Sensor Assembly harness connector. Is the resistance below 5.0 ohms? Yes Repair the (T315) Shift Motor Control A circuit for a short to the (T316) Shift Motor Control B circuit. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) . No Go to step 12) .
11. 11) SHIFT MOTOR/MODE SENSOR ASSEMBLY Using the wiring diagram/schematic as a guide, inspect all wiring and connectors that pertain to this circuit. Were any problems found? Yes Repair as necessary. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) . No Replace the Shift Motor/Mode Sensor assembly in accordance with the Service Information. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) .
12. 12) INTEGRATED POWER MODULE Using the wiring diagram/schematic as a guide, inspect all wiring and connectors that pertain to this circuit. Were any problems found? Yes Repair as necessary. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) . No Replace the Integrated Power Module in accordance with the Service Information. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) .
13. 13) FRONT CONTROL MODULE Using the wiring diagram/schematic as a guide, inspect all wiring and connectors that pertain to this circuit. Were any problems found? Yes Repair as necessary. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) . No Replace the Front Control Module in accordance with the Service Information. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) .
14. 14) INTERMITTENT WIRING AND CONNECTORS The conditions necessary to set this DTC are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. While monitoring the scan tool data relative to this circuit, wiggle test the wiring and connectors. Look for the data to change or for the DTC to reset during the wiggle test. Were any problems found? Yes Repair as necessary. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) . No Test complete.

1. When Monitored: With the ignition on.

1. Set Condition: The Cluster detects low voltage on the Neutral Indicator Control Circuit.

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1. 1) DTC IS ACTIVE Ignition on. With the scan tool, Clear DTCs. Shift the Transfer Case into neutral for 30 seconds in accordance with the Service Information. With the scan tool, select View DTCs. Does this DTC reset? Yes Go to step 2) . No Go to step 7) .
2. 2) (G95) 4WD NEUTRAL INDICATOR CIRCUIT RESISTANCE TO GROUND Turn the ignition off. Disconnect the Instrument Cluster C3 connector. Measure the resistance between ground and the (G95) 4WD Neutral Indicator circuit. Is the resistance below 5.0 ohms? Yes Go to step 3) . No Go to step 4) .
3. 3) (G95) 4WD NEUTRAL INDICATOR CIRCUIT SHORTED TO GROUND Disconnect the Transfer Case Selector Switch connector. Measure the resistance between ground and the (G95) 4WD Neutral Indicator circuit. Is the resistance below 5.0 ohms? Yes Repair the (G95) 4WD Neutral Indicator circuit for a short to ground. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) . No Go to step 5) .
4. 4) (G95) 4WD NEUTRAL INDICATOR CIRCUIT OPEN Disconnect the Transfer Case Selector Switch connector. Measure the resistance of the (G95) 4WD Neutral Indicator circuit. Is the resistance above 5.0 ohms? Yes Repair the open (G95) 4WD Neutral Indicator circuit. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) . No Go to step 5) .
5. 5) TRANSFER CASE SELECTOR SWITCH View repair. Repair Replace the Transfer Case Selector Switch in accordance with the Service information. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) .
6. 6) INSTRUMENT CLUSTER View repair. Repair Replace the Instrument Cluster in accordance with the Service information. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) .
7. 7) INTERMITTENT WIRING AND CONNECTORS The conditions necessary to set this DTC are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. While monitoring the scan tool data relative to this circuit, wiggle test the wiring and connectors. Look for the data to change or for the DTC to reset during the wiggle test. Were any problems found? Yes Repair as necessary. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) . No Test complete.

1. When Monitored: With the ignition on.

1. Set Condition: The Cluster detects high voltage on the Neutral Indicator Control Circuit.

Scheme 197

1. 1) DTC IS ACTIVE Ignition on. With the scan tool, Clear DTCs. Shift the Transfer Case into neutral for 30 seconds in accordance with the Service Information. With the scan tool, select View DTCs. Does this DTC reset? Yes Go to step 2) . No Go to step 7) .
2. 2) (G95) 4WD NEUTRAL INDICATOR CIRCUIT VOLTAGE Turn the ignition off. Disconnect the Instrument Cluster C3 connector. Turn the ignition on. Measure the voltage of the (G95) 4WD Neutral Indicator circuit. Is there any voltage present? Yes Go to step 3) . No Go to step 4) .
3. 3) (G95) 4WD NEUTRAL INDICATOR CIRCUIT SHORTED TO VOLTAGE Turn the ignition off. Disconnect the Transfer Case Selector Switch connector. Turn the ignition on. Measure the voltage of the (G95) 4WD Neutral Indicator circuit. Is there any voltage present? Yes Repair the (G95) 4WD Neutral Indicator circuit for a short to voltage. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) . No Go to step 5) .
4. 4) (G95) 4WD NEUTRAL INDICATOR CIRCUIT OPEN Disconnect the Transfer Case Selector Switch connector. Measure the resistance of the (G95) 4WD Neutral Indicator Control circuit. Is the resistance above 5.0 ohms? Yes Repair the open (G95) 4WD Neutral Indicator circuit. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) . No Go to step 6) .
5. 5) TRANSFER CASE SELECTOR SWITCH View repair. Repair Replace the Transfer Case Selector Switch in accordance with the Service information. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) .
6. 6) INSTRUMENT CLUSTER View repair. Repair Replace the Instrument Cluster in accordance with the Service information. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) .
7. 7) INTERMITTENT WIRING AND CONNECTORS The conditions necessary to set this DTC are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. While monitoring the scan tool data relative to this circuit, wiggle test the wiring and connectors. Look for the data to change or for the DTC to reset during the wiggle test. Were any problems found? Yes Repair as necessary. Perform «TRANSFER CASE VERIFICATION TEST VER 1»(ref-247644-S20299557592007020100000) . No Test complete.