Cabin Compartment Node (Ccn) - Electrical Diagnostics: Other Jeep Compass I рестайлинг

When Monitored

With the ignition on, during the heated seat operation.

Set Condition

This code sets immediately when the Heated Seat Module (HSM) detects that the (P187) Left Seat Heater B(+) Driver circuit is shorted to ground.

Possible Causes

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1. CHECK FOR AN ACTIVE DTC Turn the ignition on. With the scan tool, record and erase Diagnostic Trouble Codes (DTCs). Operate the Heated Seat Switch in both positions several times. With the scan tool, read DTCs. Does the scan tool display this DTC as active? Yes Go To 2 . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Attempt to reproduce condition by adjusting the seat. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) .
2. CHECK (P187) LEFT SEAT HEATER B(+) DRIVER CIRCUIT IN BODY HARNESS FOR A SHORT TO GROUND Turn the ignition off. Disconnect the Left Seat Cushion Heater harness connector. NOTE: Check connectors. Clean and repair as necessary. Turn the ignition on. With the scan tool, erase DTCs. Operate the Heated Seat Switch in both positions several times. With the scan tool, read DTCs. Does the scan tool display this DTC as active? Yes Go To 3 . No Go To 4 .
3. CHECK (P187) LEFT SEAT HEATER B(+) DRIVER CIRCUIT FOR A SHORT TO GROUND Turn the ignition off. Disconnect the HSM harness connector. NOTE: Check connectors. Clean and repair as necessary. Measure the resistance of the (P187) Left Seat Heater B(+) Driver circuit between ground and the HSM harness connector. Is the resistance below 10K Ohms? Yes Repair the (P187) Left Seat Heater B(+) Driver circuit for a short to ground. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) . No Go To 4 .
4. CHECK LEFT SEAT CUSHION HEATER FOR A SHORT TO GROUND Turn the ignition off. Reconnect the Left Seat Cushion Heater harness connector. Disconnect the Left Seat Back Heater harness connector. NOTE: Check connectors. Clean and repair as necessary. Turn the ignition on. With the scan tool, erase DTCs. Operate the Heated Seat Switch in both positions several times. With the scan tool, read DTCs. Does the scan tool display this DTC as active? Yes Replace the shorted Left Seat Cushion Heater Element in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) . No Replace the Left Seat Back Heater Element in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) .

With the ignition on, during the heated seat operation.

This code sets immediately when the Heated Seat Module (HSM) detects that the (P187) Left Seat Heater B(+) Driver circuit is open.

Scheme 270

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1. CHECK FOR AN ACTIVE DTC Turn the ignition on. With the scan tool, record and erase Diagnostic Trouble Codes (DTCs). Operate the Heated Seat Switch in both positions several times. With the scan tool, read DTCs. Does the scan tool display this DTC as active? Yes Go To 2 . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Attempt to reproduce condition by adjusting the seat. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) .
2. CHECK FOR OPEN SEAT HEATER ELEMENTS Turn the ignition off. Disconnect the Left Seat Cushion Heater harness connector. NOTE: Check connectors. Clean and repair as necessary. Measure the total resistance of the Cushion and Seat Back Heater Elements between the (P187) Left Seat Heater B(+) Driver circuit and the (Z905) Ground circuit at the Left Seat Cushion Heater connector (component side). Is the total resistance 2.5 to 3.5 Ohms (+ or - 0.5 of an Ohm)? Yes Go To 3 . No Go To 5 .
3. CHECK (Z903) GROUND CIRCUIT FOR AN OPEN Using a 12-volt test light connected to 12-volts, check the (Z903) Ground circuit at the Left Seat Cushion Heater harness connector (harness side). NOTE: The test light should be illuminated and bright. Compare the brightness to that of a direct connection to the battery. Does the test light illuminate brightly? Yes Go To 4 . No Repair the (Z903) Ground circuit for an open. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) .
4. CHECK (P187) LEFT SEAT HEATER B(+) DRIVER CIRCUIT FOR AN OPEN IN BODY HARNESS Disconnect the HSM harness connector. NOTE: Check connectors. Clean and repair as necessary. Measure the resistance of the (P187) Left Seat Heater B(+) Driver circuit between the HSM harness connector and the Left Seat Cushion Heater harness connector (harness side). Is the resistance below 5.0 Ohms? Yes Replace the Heated Seat Module (HSM) in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) . No Repair the (P187) Left Seat Heater B(+) Driver circuit for an open. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) .
5. CHECK LEFT SEAT BACK HEATER ELEMENT FOR AN OPEN Disconnect the Left Seat Back Heater harness connector. NOTE: Check connectors. Clean and repair as necessary. Measure the resistance of the Left Seat Back Heater Element between the (P187) Left Seat Heater B(+) Driver and the (Z905) Ground circuit at the Left Seat Back Heater connector (component side). Is the resistance above 6.0 Ohms? Yes Replace the Seat Back Heater Element in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) . No Replace the Seat Cushion Heater Element in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) .

With the ignition on, during the heated seat operation.

This code sets immediately when the Heated Seat Module (HSM) detects that the (P188) Right Seat Heater B(+) Driver circuit is shorted to ground.

Scheme 274

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1. CHECK FOR AN ACTIVE DTC Turn the ignition on. With the scan tool, record and erase Diagnostic Trouble Codes (DTCs). Operate the Heated Seat Switch in both positions several times. With the scan tool, read DTCs. Does the scan tool display this DTC as active? Yes Go To 2 . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Attempt to reproduce condition by adjusting the seat. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) .
2. CHECK (P188) RIGHT SEAT HEATER B(+) DRIVER CIRCUIT IN BODY HARNESS FOR A SHORT TO GROUND Turn the ignition off. Disconnect the Right Seat Cushion Heater harness connector. NOTE: Check connectors. Clean and repair as necessary. Turn the ignition on. With the scan tool, erase DTCs. Operate the Heated Seat Switch in both positions several times. With the scan tool, read DTCs. Is DTC B1096-FRONT RIGHT SEAT HEATER CONTROL CIRCUIT LOW active? Yes Go To 3 . No Go To 4 .
3. CHECK (P188) RIGHT SEAT HEATER B(+) DRIVER CIRCUIT FOR A SHORT TO GROUND Turn the ignition off. Disconnect the HSM harness connector. NOTE: Check connectors. Clean and repair as necessary. Measure the resistance of the (P188) Right Seat Heater B(+) Driver circuit between ground and the HSM harness connector. Is the resistance below 10K Ohms? Yes Repair the (P188) Right Seat Heater B(+) Driver circuit for a short to ground. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) . No Go To 4 .
4. CHECK RIGHT SEAT CUSHION HEATER FOR A SHORT TO GROUND Turn the ignition off. Reconnect the Right Seat Cushion Heater harness connector. Disconnect the Right Seat Back Heater harness connector. NOTE: Check connectors. Clean and repair as necessary. Turn the ignition on. With the scan tool, erase DTCs. Operate the Heated Seat Switch in both positions several times. With the scan tool, read DTCs. Is DTC B1096-FRONT RIGHT SEAT HEATER CONTROL CIRCUIT LOW active? Yes Replace the shorted Right Seat Cushion Heater Element in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) . No Replace the Right Seat Back Heater Element in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) .

With the ignition on, during the heated seat operation.

This code sets immediately when the Heated Seat Module (HSM) detects that the (P188) Right Seat Heater B(+) Driver circuit is open.

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1. CHECK FOR AN ACTIVE DTC Turn the ignition on. With the scan tool, record and erase Diagnostic Trouble Codes (DTCs). Operate the Heated Seat Switch in both positions several times. With the scan tool, read DTCs. Does the scan tool display this DTC as active? Yes Go To 2 . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Attempt to reproduce condition by adjusting the seat. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) .
2. CHECK FOR OPEN SEAT HEATER ELEMENTS Turn the ignition off. Disconnect the Right Seat Cushion Heater harness connector. NOTE: Check connectors. Clean and repair as necessary. Measure the total resistance of the Cushion and Seat Back Heater Elements between (P188) Right Seat Heater B(+) Driver circuit and the (Z908) Ground circuit at the Right Seat Cushion Heater connector (component side). Is the total resistance 2.5 to 3.5 Ohms (+ or - 0.5 of an Ohm)? Yes Go To 3 . No Go To 5 .
3. CHECK (Z908) GROUND CIRCUIT FOR AN OPEN Using a 12-volt test light connected to 12-volts, check the (Z908) Ground circuit at the Right Seat Cushion Heater harness connector (harness side). NOTE: The test light should be illuminated and bright. Compare the brightness to that of a direct connection to the battery. Does the test light illuminate brightly? Yes Go To 4 . No Repair the (Z908) Ground circuit for an open. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) .
4. CHECK (P188) RIGHT SEAT HEATER B(+) DRIVER CIRCUIT FOR AN OPEN IN BODY HARNESS Disconnect the HSM harness connector. NOTE: Check connectors. Clean and repair as necessary. Measure the resistance of the (P188) Right Seat Heater B(+) Driver circuit between the HSM harness connector and the Right Seat Cushion Heater harness connector (harness side). Is the resistance below 5.0 Ohms? Yes Replace the Heated Seat Module (HSM) in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) . No Repair the (P188) Right Seat Heater B(+) Driver circuit for an open. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) .
5. CHECK RIGHT SEAT BACK HEATER ELEMENT FOR AN OPEN Disconnect the Right Seat Back Heater harness connector. NOTE: Check connectors. Clean and repair as necessary. Measure the resistance of the Right Seat Back Heater Element between the (P188) Right Seat Heater B(+) Driver and the (Z908) Ground circuit at the Right Seat Back Heater connector (component side). Is the resistance above 6.0 Ohms? Yes Replace the Seat Back Heater Element in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) . No Replace the Seat Cushion Heater Element in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) .

B10BB-LEFT HEATED SEAT SWITCH INPUT CIRCUIT STUCK

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

With the ignition on.

If the Cluster (CCN) senses the Left Heated Seat switch input for more than 10 seconds.

B10BC-RIGHT HEATED SEAT SWITCH INPUT CIRCUIT STUCK

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

With the ignition on.

If the Cluster (CCN) senses the Right Heated Seat switch input for more than 10 seconds.

B123F-MENU SWITCH STUCK

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

With the ignition on.

The Cluster detects the Menu Switch active for greater than 20 seconds.

With the ignition on.

Internal Compass Module failure detected.

With the ignition on.

The Cluster detects the TRIP/TOGGLE Switch active for greater than 20 seconds.

With the ignition on.

The Cluster detects the Compass / Temp Button active for greater than 20 seconds.

Continuously with the ignition on.

The Cluster senses that the Remote Radio Switch Input circuit is open.

Continuously with the ignition on.

The Cluster senses that the Remote Radio Switch Input circuit is stuck for greater than 600 seconds.

Continuously with the ignition on.

The Cluster senses that the Left Steering Wheel Control Switch is in the Set position for greater than 20 seconds. Phone related switches have a set time of 600 seconds.

Continuously

When the Cluster detects a short to battery on the Control circuit.

Scheme 281

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1. CHECK FOR AN ACTIVE DTC Turn the ignition on. With the scan tool, read DTCs. Does the scan tool read: B161A-COURTESY/DOME LAMP CONTROL CIRCUIT? Yes Go To 2 . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.
2. CHECK THE (M24) COURTESY LAMPS DRIVER CIRCUIT FOR A SHORT TO GROUND Turn the ignition off. Disconnect the Cluster C2 harness connector. Measure the resistance between the (M24) Courtesy Lamp Driver circuit and ground. Is the resistance below 5.0 Ohms? Yes Repair the short to ground in the (M24) Courtesy Lamp Driver circuit. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) . No Go To 3 .
3. CHECK THE (M24) COURTESY LAMPS DRIVER CIRCUIT FOR AN OPEN Turn the ignition off. Disconnect the Dome Lamp harness connector. Measure the resistance of the (M24) Courtesy Lamp Driver circuit between the Cluster C2 and Dome Lamp harness connectors. Is the resistance above 5.0 Ohms? Yes Repair the open in the (M24) Courtesy Lamp Driver circuit. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) . No Replace the Cluster in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) .

Scheme 283

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

With the ignition on.

When the Cluster detects an open or a short to ground driver circuit.

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1. CHECK FOR AN ACTIVE DTC Turn the ignition on. With the scan tool, read DTCs. Does the scan tool display this DTC as active? Yes Go To 4 . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.
2. CHECK THE VOLTAGE OF THE (M27) READING/RAIL LAMPS DRIVER CIRCUIT Turn the ignition off. Disconnect the Electronic Overhead Module C1 harness connector. Turn the ignition on. Measure the voltage of the (M27) Reading/Rail Lamps Driver circuit. Is the voltage above 10.0 volts? Yes Go To 3 . No Go To 4 .
3. CHECK THE (Z903) GROUND CIRCUIT Measure the resistance between ground and the (Z903) Ground circuit. Is the resistance below 10K Ohms? Yes Replace the Electronic Overhead Module in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) . No Repair the open in the (Z903) Ground Circuit. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) .
4. CHECK THE (M27) READING/RAIL LAMPS DRIVER CIRCUIT FOR A SHORT TO GROUND Disconnect the Cluster C2 harness connector. Measure the resistance between ground and the (M27) Reading/Rail Lamps Driver circuit. Is the resistance below 10K Ohms? Yes Repair the short to ground in the (M27) Reading/Rail Lamps Driver circuit. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) . No Go To 5 .
5. CHECK THE (M27) READING/RAIL LAMPS DRIVER CIRCUIT FOR AN OPEN Measure the resistance of the (M27) Reading/Rail Lamps Driver circuit. Is the resistance above 5.0 Ohms? Yes Repair the open in the (M27) Reading/Rail Lamps Driver circuit. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) . No Replace the Cluster in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) .

B168F-FRONT FOG LAMP SWITCH CIRCUIT

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

With the ignition on.

The Cluster detects the Front Fog Lamp Switch Input Circuit voltage is less than the expected value.

With the ignition on.

The Cluster detects the Headlamp Leveling Switch is active for greater than 20 seconds.

B178E-HEADLAMP SWITCH INPUT CIRCUIT

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

With the ignition on.

The Cluster detects the Headlamp Switch function inoperative.

B178F-TURN SWITCH INPUT CIRCUIT

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

With the ignition on.

The Cluster detects the Turn Signal function inoperative.

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1. TEST THE DOOR LOCK SWITCH NOTE: The graphic for this step shows the connector for terminal reference only. Turn the ignition off. Disconnect the Driver Window/Door Lock Switch C2 connector. Connect an ohmmeter between terminals number 3 and 8 of the switch (not the connector). With the switch in the neutral position, the resistance should be greater than 1, 000, 000 ohms (open circuit) While holding the switch in the Lock position, the resistance should be 330 ohms (+/- 33 ohms). While holding the switch in the Unlock position, the resistance should be 100 ohms (+/- 10 ohms). Does the switch pass all three tests? No Replace the Driver Window/Door Lock Switch. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) . Yes Go To 2 .
2. (Z961) GROUND CIRCUIT OPEN Turn the ignition on. Using a 12-volt test light connected to 12-volts, check the (Z961) Ground circuit in the Driver Window/Door Lock Switch C2 connector. Does the test light illuminate brightly No Repair the (Z961) Ground circuit for an open. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) . Yes Go To 3 .
3. (P697) DOOR LOCK SWITCH MUX CIRCUIT SHORT TO BATTERY Measure the voltage between the (P697) Door Lock Switch MUX circuit and ground. Is the voltage above 5.2 volts? Yes Repair the (P697) Door Lock Switch MUX circuit for a short to battery. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) . No Go To 4 .
4. (P697) DOOR LOCK SWITCH MUX CIRCUIT SHORT TO GROUND Turn the ignition off. Disconnect the Cluster C2 connector. Measure the resistance between ground and the (P697) Door Lock Switch MUX circuit. Is the resistance below 10, 000 ohms? Yes Repair the (P697) Door Lock Switch MUX circuit for a short to ground. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) . No Go To 5 .
5. (P697) DOOR LOCK SWITCH MUX CIRCUIT OPEN Measure the resistance of the (P697) Door Lock Switch MUX circuit between the Cluster C2 connector and the Driver Window/Door Lock Switch connector. Is the resistance below 5.0 ohms? No Repair the (P697) Door Lock Switch MUX circuit for an open. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) . Yes Replace the Instrument Cluster in accordance with Service Information. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) .

Continuously

When the Door Lock Switch MUX circuit is below 0.15 volts for over 10 seconds.

Scheme 293

1. TEST FOR INTERMITTENT CONDITION With the scan tool, record and erase DTCs Operate the Driver Door Lock Switch in all positions several times. Cycle the ignition from on to off. Turn the ignition on. With the scan tool, read DTCs. Does the scan tool display B1801-DRIVER DOOR LOCK/UNLOCK SWITCH CIRCUIT LOW? Yes Go To 2 . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) .
2. DOOR LOCK SWITCH SHORTED With the scan tool, erase DTCs. Disconnect the Driver Window/Door Lock Switch C2 connector. With the scan tool, read DTCs. Does the scan tool display B1801-DRIVER DOOR LOCK/UNLOCK SWITCH CIRCUIT LOW? No Replace the Driver Window/Door Lock Switch. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) . Yes Go To 3 .
3. (P697) DOOR LOCK SWITCH MUX CIRCUIT SHORT TO GROUND Turn the ignition off. Disconnect the Cluster C2 connector. Measure the resistance between ground and the (P697) Door Lock Switch MUX circuit. Is the resistance below 10, 000 ohms? Yes Repair the (P697) Door Lock Switch MUX circuit for a short to ground. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) . No Replace the Instrument Cluster in accordance with Service Information. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) .

Scheme 294

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

Continuously

When the Door Lock Switch MUX circuit is below 0.15 volts for over 10 seconds.

Scheme 295

Scheme 296

1. TEST FOR INTERMITTENT CONDITION With the scan tool, record and erase the DTCs Operate the Passenger Door Lock Switch in all positions several times. Cycle the ignition from on to off. Turn the ignition on. With the scan tool, read the DTCs. Does the scan tool display B1806-PASSENGER DOOR LOCK/UNLOCK SWITCH CIRCUIT LOW? Yes Go To 2 . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) .
2. DOOR LOCK SWITCH SHORTED With the scan tool, erase the DTCs. Disconnect the Passenger Window/Door Lock Switch connector. With the scan tool, read the DTCs. Does the scan tool display B1806-PASSENGER DOOR LOCK/UNLOCK SWITCH CIRCUIT LOW? No Replace the Passenger Window/Door Lock Switch. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) . Yes Go To 3 .
3. (P696) PASSENGER DOOR LOCK SWITCH MUX CIRCUIT SHORT TO GROUND Turn the ignition off. Disconnect the Cluster C2 connector. Measure the resistance between ground and the (P696) Passenger Door Lock Switch MUX circuit. Is the resistance below 10, 000 ohms? Yes Repair the (P696) Passenger Door Lock Switch MUX circuit for a short to ground. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) . No Replace the Instrument Cluster in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) .

Continuously

When the Driver Door Lock Switch MUX circuit is between 0.8 and 3.5 volts for over 10 seconds.

Continuously

When the Passenger Door Lock Switch MUX circuit is between 0.8 and 3.5 volts for over 10 seconds.

With ignition on.

If the Heated Seat Module (HSM) detects voltage under 10 volts on the (F937) Fused Ignition Switch Output (Run) circuit.

Scheme 297

1. CHECK FOR CHARGING SYSTEM DIAGNOSTIC TROUBLE CODES (DTCs) Turn the ignition on. With the scan tool, read Powertrain Control Module (PCM) DTCs. Are there any Charging System DTCs set in the PCM? Yes Refer to «Diagnosis and Testing»(ref-462468-S17884521212012040500000) for Charging System diagnostic procedures . No Go To 2 .
2. VERIFY DTC B2181-HEATED SEAT MODULE POWER SUPPLY LOW IS ACTIVE With the scan tool, record and erase DTCs. Turn the ignition off. Start the engine and let it run for one minute. With the scan tool, read DTCs. Does the scan tool display this DTC as active? Yes Go To 3 . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Attempt to reproduce condition by adjusting the seat. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) .
3. CHECK (F937) FUSED IGNITION SWITCH OUTPUT (RUN) CIRCUIT VOLTAGE Turn the ignition off. Disconnect the HSM harness connector. NOTE: Check connectors. Clean and repair as necessary. Start the engine and let idle. Measure the voltage of the (F937) Fused Ignition Switch Output (Run) circuit between the HSM connector and ground and compare it to the voltage at the vehicle battery. Is the voltage measured at the HSM connector the same as the voltage measured at the battery? Yes Replace the Heated Seat Module (HSM) in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) . No Repair the (F937) Fused Ignition Switch Output (Run) circuit for the cause of the low voltage condition at the HSM. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) .

With ignition on.

If the Heated Seat Module detects voltage over 16.0 volts on the on the (F937) Fused Ignition Switch Output (Run) circuit.

B225C-COMPASS MODULE INTERNAL

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

With the ignition on.

The Compass Module detects an internal failure.

With the ignition on.

The Cluster detects the Wiper Mode Switch function is inoperative.

Continuously with the ignition on.

The Cluster senses that the Horn Switch is pressed for greater than 45 seconds.

With the ignition on.

The Cluster detects the Flash to Pass function inoperative.

Continuously with the ignition on.

The Cluster senses that the Washer Switch is in the Set position for greater than 50 seconds.

Continuously with the ignition on.

The Cluster senses that the Mist Switch is in the Set position for greater than 50 seconds.

Continuously with the ignition on.

The Cluster senses that the Rear Wiper Switch is in the Set position for greater than 50 seconds.

Continuously with the ignition on.

The Cluster senses that the Rear Washer Switch is in the Set position for greater than 50 seconds.

With the ignition on.

The Cluster detects the Flash to Pass function inoperative.

With the ignition on.

The Cluster detects the TRAC/ESP Off Switch active for greater than 20 seconds.

Note. The Electronic Stability Control (ESC) may also be referred to as Electronic Stability Program (ESP) depending on the vehicle model year and configuration.

With the ignition on.

The Cluster detects that the Fuel Level Sensor input voltage is below the minimum acceptable value.

Scheme 298

1. CHECK FOR AN ACTIVE DTC Turn the ignition on. With the scan tool, read DTCs. Does the scan tool display this DTC as active? Yes Go To 2 . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.
2. FUEL PUMP MODULE Turn the ignition off. Disconnect the Fuel Pump Module C1 harness connector. Turn the ignition on. Wait 30 seconds. With the scan tool, read DTCs Does the scan tool display this DTC as active? Yes Go To 3 . No Replace the Fuel Pump Module in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) .
3. (N4) FUEL LEVEL SIGNAL 1 CIRCUIT SHORTED TO GROUND Turn the ignition off. Disconnect the Cluster C2 harness connector. Measure the resistance between ground and the (N4) Fuel Level Signal 1 circuit in the Fuel Pump Module C1 harness connector. Is the resistance below 10K Ohms? Yes Repair the short to ground in the (N4) Fuel Level Signal 1 circuit. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) . No Replace the Cluster in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) .

With the ignition on.

The Cluster detects that the Fuel Level Sensor input voltage is above the maximum acceptable value.

Scheme 299

Scheme 300

Scheme 301

1. CHECK FOR AN ACTIVE DTC Turn the ignition on. With the scan tool, read DTCs. Does the scan tool display this DTC as active? Yes Go To 2 . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.
2. (N4) FUEL LEVEL SIGNAL 1 CIRCUIT SHORTED TO VOLTAGE Turn the ignition off. Disconnect the Fuel Pump Module C1 harness connector. Disconnect the Cluster C2 harness connector. Turn the ignition on. Measure the voltage of the (N4) Fuel Level Signal 1 circuit in the Fuel Pump Module harness connector. Is there any voltage present? Yes Repair the (N4) Fuel Level Signal 1 circuit for a short to voltage. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) . No Go To 3 .
3. FUEL PUMP MODULE Turn the ignition off. Reconnect the Cluster C2 harness connector. Connect a jumper wire between the (N4) Fuel Level Signal 1 circuit and the (Z906) Ground in the Fuel Pump Module C1 harness connector. Turn the ignition on. With the scan tool, read DTCs Does the scan tool display this DTC as active? Yes Go To 4 . No Replace the Fuel Pump Module in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) .
4. (N4) FUEL LEVEL SIGNAL 1 OPEN OR HIGH RESISTANCE Turn the ignition off. Disconnect the Cluster C2 harness connector. Measure the resistance of the (N4) Fuel Level Signal 1 circuit between the Fuel Pump Module C1 harness connector and the Cluster harness connector. Is the resistance above 5.0 Ohms? Yes Repair the (N4) Fuel Level Signal 1 circuit for an open circuit or high resistance. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) . No Go To 5 .
5. (Z906) GROUND CIRCUIT OPEN OR HIGH RESISTANCE Measure the resistance between ground and the (Z906) Ground circuit in the Fuel Pump Module C1 harness connector. Is the resistance above 5.0 Ohms? Yes Repair the (Z906) Ground circuit for an open circuit or high resistance. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) . No Replace the Cluster in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) .

With the ignition on.

The Cluster detects that the Fuel Level Sensor input voltage is below the minimum acceptable value.

Scheme 302

1. CHECK FOR AN ACTIVE DTC Turn the ignition on. With the scan tool, read DTCs. Does the scan tool display this DTC as active? Yes Go To 2 . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.
2. FUEL PUMP MODULE Turn the ignition off. Disconnect the Fuel Pump Module C2 harness connector. Turn the ignition on. Wait 30 seconds. With the scan tool, read DTCs Does the scan tool display this DTC as active? Yes Go To 3 . No Replace the Fuel Pump Module in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) .
3. (N5) FUEL LEVEL SIGNAL 2 CIRCUIT SHORTED TO GROUND Turn the ignition off. Disconnect the Cluster C2 harness connector. Measure the resistance between ground and the (N5) Fuel Level Signal 2 circuit in the Fuel Pump Module C2 harness connector. Is the resistance below 10K Ohms? Yes Repair the short to ground in the (N5) Fuel Level Signal 2 circuit. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) . No Replace the Cluster in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) .

With the ignition on.

The Cluster detects that the Fuel Level Sensor input voltage is above the maximum acceptable value.

Scheme 303

Scheme 304

Scheme 305

1. CHECK FOR AN ACTIVE DTC Turn the ignition on. With the scan tool, read DTCs. Does the scan tool display this DTC as active? Yes Go To 2 . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.
2. (N5) FUEL LEVEL SIGNAL 2 CIRCUIT SHORTED TO VOLTAGE Turn the ignition off. Disconnect the Fuel Pump Module C2 harness connector. Disconnect the Cluster C2 harness connector. Turn the ignition on. Measure the voltage of the (N5) Fuel Level Signal 2 circuit in the Fuel Pump Module C2 harness connector. Is there any voltage present? Yes Repair the (N5) Fuel Level Signal 2 circuit for a short to voltage. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) . No Go To 3 .
3. FUEL PUMP MODULE Turn the ignition off. Reconnect the Cluster C2 harness connector. Connect a jumper wire between the (N5) Fuel Level Signal 2 circuit and the (Z906) Ground in the Fuel Pump Module C2 harness connector. Turn the ignition on. With the scan tool, read DTCs Does the scan tool display this DTC as active? Yes Go To 4 . No Replace the Fuel Pump Module in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) .
4. (N5) FUEL LEVEL SIGNAL 2 OPEN OR HIGH RESISTANCE Turn the ignition off. Disconnect the Cluster C2 harness connector. Measure the resistance of the (N5) Fuel Level Signal 2 circuit between the Fuel Pump Module C2 harness connector and the Cluster harness connector. Is the resistance above 5.0 Ohms? Yes Repair the (N5) Fuel Level Signal 2 circuit for an open circuit or high resistance. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) . No Go To 5 .
5. (Z906) GROUND CIRCUIT OPEN OR HIGH RESISTANCE Measure the resistance between ground and the (Z906) Ground circuit in the Fuel Pump Module C2 harness connector. Is the resistance above 5.0 Ohms? Yes Repair the (Z906) Ground circuit for an open circuit or high resistance. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) . No Replace the Cluster in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) .

Continuously when the ignition is on.

Battery voltage between 10 and 16 volts.

Ignition Off Draw (IOD) fuse installed.

Totally Integrated Power Module (TIPM) is configured correctly.

Bus messages not received from the TIPM for approximately two to five seconds.

Continuously when the ignition is on.

Battery voltage between 10 and 16 volts.

Ignition Off Draw (IOD) fused installed.

Totally Integrated Power Module (TIPM) is configured correctly.

Bus messages not received from the Occupant Restraint Controller (ORC) for approximately two to five seconds.

With the ignition on.

The Cluster does not receive information from the Compass Module.

Scheme 306

Scheme 307

Scheme 308

Scheme 309

1. CHECK FOR AN ACTIVE DTC Turn the ignition on. With the scan tool, read DTCs. Does the scan tool display: U0161-LOST COMMUNICATION WITH COMPASS MODULE? Yes Go To 2 . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.
2. (D506) LIN BUS CIRCUIT OPEN Turn the ignition off. Disconnect the Compass Module harness connector. Turn the ignition on. Measure the voltage of the (D506) LIN BUS circuit. Is the voltage above 5.0 volts? Yes Go To 4 . No Go To 3 .
3. (D506) LIN BUS CIRCUIT OPEN Turn the ignition off. Disconnect the Cluster C3 harness connector. Measure the resistance of the (D506) LIN BUS circuit. Is the resistance below 5.0 Ohms? Yes Replace the Cluster in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) . No Repair the open in the (D506) LIN BUS circuit. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) .
4. (F929) FUSED IGNITION SWITCH OUTPUT (RUN) CIRCUIT OPEN Measure the voltage of the (F929) Fused Ignition Switch Output (RUN) circuit. Is the voltage above 10.0 volts? Yes Go To 5 . No Repair the open in the (F929) Fused Ignition Switch Output (RUN) circuit. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) .
5. (Z903) GROUND CIRCUIT OPEN Measure the resistance between ground and the (Z903) Ground circuit. Is the resistance below 10K Ohms? Yes Replace the Compass Module in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) . No Repair the open in the (Z903) Ground circuit. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) .

Continuously when the ignition is on.

Battery voltage between 10 and 16 volts.

Ignition Off Draw (IOD) fuse installed.

Totally Integrated Power Module (TIPM) is configured correctly.

Bus messages not received from the A/C Heater Control for approximately two to five seconds.

Continuously when the ignition is on.

Battery voltage between 10 and 16 volts.

Ignition Off Draw (IOD) fused installed.

Totally Integrated Power Module (TIPM) is configured correctly.

Bus messages not received from the Intrusion Transceiver Control Module for approximately two to five seconds.

Continuously when the ignition is on.

Battery voltage between 10 and 16 volts.

Ignition Off Draw (IOD) fused installed.

Totally Integrated Power Module (TIPM) is configured correctly.

Bus messages not received from the Wireless Control Module (WCM) for approximately two to five seconds.

Continuously when the ignition is on.

Battery voltage between 10 and 16 volts.

Ignition Off Draw (IOD) fused installed.

Totally Integrated Power Module (TIPM) is configured correctly.

Bus messages not received from the Radio for approximately two to five seconds.

Continuously when the ignition is on.

The battery voltage is between 10 and 16 volts.

Ignition Off Draw (IOD) fused installed.

Totally Integrated Power Module (TIPM) is configured correctly.

Bus messages not received from the Satellite Receiver (SDAR) for approximately two to five seconds.

Continuously when the ignition is on.

The battery voltage is between 10 and 16 volts.

Ignition Off Draw (IOD) fused installed.

Totally Integrated Power Module (TIPM) is configured correctly.

Bus messages not received from the Hands Free Module (HFM) for approximately two to five seconds.

With the ignition on.

The Cluster does not receive information from the Heated Seats Module.

Scheme 310

Scheme 311

Scheme 312

1. CHECK FOR AN ACTIVE DTC Turn the ignition on. With the scan tool, read DTCs. Does the scan tool display this DTC as active? Yes Go To 2 . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) .
2. CHECK POWER TO HEATED SEATS MODULE NOTE: Check the related TIPM fuse. Repair if necessary. Turn the ignition off. Disconnect the Heated Seats Module harness connector. Turn the ignition on. Using a 12-volt test light connected to ground, check the (F937) Fused Ignition Switch Output (Run) circuit at the Heated Seat Module harness connector. NOTE: The test light must illuminate brightly. Compare the brightness to that of a direct connection to the battery. Does the test light illuminate brightly? Yes Go To 3 . No Repair the open in the (F937) Fused Ignition Switch Output (Run) circuit. Inspect the related fuse. If the fuse is open, check the circuit for a short to ground. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) .
3. CHECK (D506) LIN BUS CIRCUIT VOLTAGE TO HEATED SEATS MODULE Measure the voltage of the (D506) LIN BUS circuit between the Heated Seats Module harness connector and ground. Is the voltage above 5.0 volts? Yes Go To 4 . No Repair the open in the (D506) LIN BUS circuit. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) .
4. CHECK (Z909) GROUND CIRCUIT FOR AN OPEN Using a 12-volt test light connected to 12 volts, check the (Z909) Ground circuit at the Heated Seats Module harness connector. NOTE: The test light must illuminate brightly. Compare the brightness to that of a direct connection to the battery. Does the test light illuminate brightly? Yes Replace the Heated Seats Module in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) . No Repair the (Z909) ground circuit for an open. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) .

With the ignition on.

LIN 1 Bus Performance.

Scheme 313

1. CHECK FOR AN ACTIVE DTC NOTE: Before proceeding with this diagnostic procedure, verify the Left and Right Multifunction Switch and Clockspring harness connectors are properly seated and verify proper pin terminal tension. A loose connection at any of these connectors may cause this DTC to set. Turn the ignition on. With the scan tool, read DTCs. Does the scan tool display: U1008-LIN 1 BUS? Yes Go To 2 . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.
2. SHORTED LIN BUS COMPONENT NOTE: After disconnecting each component, check DTCs with the scan tool. Turn the ignition on. Disconnect the Switch Bank Module harness connector. Disconnect the Remote Compass Module harness connector. Disconnect the Heated Seat Module harness connector. Disconnect the Left Multifunction Switch harness connector. Disconnect the Right Steering Wheel Switch (Speed Control Switch) harness connector. With each component disconnected, did the DTC U1008-LIN 1 BUS change from active to stored? Yes Replace the component that caused the DTC U1008-LIN 1 BUS change from active to stored. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) . No Go To 3 .
3. (D506) LIN BUS CIRCUIT OPEN Turn the ignition off. Disconnect the Cluster C3 harness connector. Disconnect the Switch Bank harness connector. Measure the resistance of the (D506) LIN Bus circuit between the Cluster C3 and Switch Bank harness connectors. Is the resistance above 10K Ohms? Yes Repair the open in the (D506) LIN Bus circuit. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) . No Go To 4 .
4. (D506) LIN BUS CIRCUIT SHORTED TO GROUND Turn the ignition off. Measure the resistance to ground on the (D506) LIN Bus circuit. Is the resistance below 10K Ohms? Yes Repair the short to ground (D506) LIN Bus circuit. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) . No Replace the Cluster in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) .

With the ignition on.

The Cluster does not receive information from the Right Steering Wheel Switch (Speed Control Switch).

With the ignition on.

The Cluster does not receive information from the Switch Bank Module.

Scheme 314

Scheme 315

Scheme 316

1. CHECK FOR AN ACTIVE DTC Turn the ignition on. With the scan tool, read DTCs. Does the scan tool display: U113B-LOST COMMUNICATION WITH SWITCH BANK MODULE? Yes Go To 2 . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.
2. (D506) LIN BUS CIRCUIT OPEN Turn the ignition off. Disconnect the Switch Bank harness connector. Turn the ignition on. Measure the voltage of the (D506) LIN BUS circuit. Is the voltage above 5.0 volts? Yes Go To 3 . No Repair the (D506) LIN BUS circuit for an open. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) .
3. (A935) FUSED B+ CIRCUIT OPEN Measure the voltage of the (A935) Fused B+ circuit. Is the voltage above 10.0 volts? Yes Go To 4 . No Repair the (A935) Fused B+ circuit for an open. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) .
4. (Z908) GROUND CIRCUIT OPEN Measure the resistance between ground and the (Z908) Ground circuit. Is the resistance below 10K Ohms? Yes Replace the Switch Bank in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) . No Repair the (Z908) Ground circuit for an open. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) .

Scheme 317

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

With the ignition on.

The Cluster does not receive any LIN Bus messages from the Left Multifunction Switch.

Scheme 318

Scheme 319

Scheme 320

Scheme 321

1. CHECK FOR AN ACTIVE DTC NOTE: Before proceeding with this diagnostic procedure, verify the Left and Right Multifunction Switch and Clockspring harness connectors are properly seated and verify proper pin terminal tension. A loose connection at any of these connectors may cause this DTC to set. Turn the ignition on. With the scan tool, read DTCs. Does the scan tool display this DTC as active? Yes Go To 2 . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.
2. (D506) LIN BUS CIRCUIT OPEN Turn the ignition off. Disconnect the Left Multifunction Switch C1 harness connector. Turn the ignition on. Measure the voltage of the (D506) LIN BUS circuit. Is the voltage above 5.0 volts? Yes Go To 3 . No Repair the open in the (D506) LIN BUS circuit. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) .
3. (F202) IGNITION SWITCH OUTPUT (RUN/START) CIRCUIT OPEN Measure the voltage of the (F202) Ignition Switch Output (RUN/START) circuit. Is the voltage above 10.0 volts? Yes Go To 4 . No Repair the open in the (F202) Ignition Switch Output (RUN/START) circuit. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) .
4. (A411) FUSED B(+) (I.O.D.) CIRCUIT OPEN Measure the voltage of the (A411) Fused B(+) (I.O.D.) circuit. Is the voltage above 10.0 volts? Yes Go To 5 . No Repair the open in the (A411) Fused B(+) (I.O.D.) circuit. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) .
5. (Z903) GROUND CIRCUIT OPEN Measure the resistance between ground and the (Z903) Ground circuit. Is the resistance below 10K Ohms? Yes Replace the Left Multifunction Switch in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) . No Repair the open in the (Z903) Ground circuit. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE - BODY VERIFICATION TEST»(ref-462532-S42471902512012040500000) .