DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| B161B | COURTESY/DOME LAMP OUTPUT CIRCUIT SHORT TO GROUND |
| B1623 | GLOVEBOX/MAP LAMP OUTPUT CIRCUIT SHORT TO GROUND |
| B1627 | CARGO LAMP OUTPUT CIRCUIT SHORT TO GROUND |
| B1629 | CARGO LAMP OUTPUT CIRCUIT OPEN |
DIAGNOSTIC CODE INDEX
Scheme 1
For complete wiring diagrams, refer to
SYSTEM WIRING DIAGRAMS for Aspen.
SYSTEM WIRING DIAGRAMS for Durango.
| Possible Causes |
|---|
| HEADLAMP SWITCH |
| (M22) COURTESY LAMP OUTPUT CIRCUIT SHORT TO GROUND |
| INSTRUMENT CLUSTER |
Scheme 2
- 1) INTERMITTENT CONDITION Turn the ignition on. With the Scan Tool, clear all CCN DTC's. Turn the Dome Lamps on. With the Scan Tool, read the DTC information. Does the Scan Tool read: B161B-COURTESY/DOME LAMP OUTPUT CIRCUIT SHORT TO GROUND? Yes Go To 2) . No The condition that caused the symptom is currently not present. Inspect the related wiring for a possible intermittent condition. Look for any chafed, pierced, pinched, or partially broken wires. Perform «BODY VERIFICATION TEST - VER 1»(ref-285334-S04155882182008052100000) .
- 2) HEADLAMP SWITCH Disconnect the Headlamp Switch connector. Turn the Ignition on. Using the Scan Tool. Does the Scan Tool display Headlamp Switch 5.0 volts? Yes Go To 3) . No Replace the Headlamp Switch in accordance with the service information.
- 3) INSTRUMENT CLUSTER/OUTPUT CIRCUIT SHORT Turn the ignition on. Disconnect the Headlamp Switch connector. Disconnect the Instrument Cluster C3 connector. Measure the resistance of the (M22) Courtesy Lamp Output circuit to ground. Is the resistance below 5.0 ohms? Yes Repair the (M22) Courtesy lamp Output circuit. Perform «BODY VERIFICATION TEST - VER 1»(ref-285334-S04155882182008052100000) . No Replace the Instrument Cluster in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-285334-S04155882182008052100000) .
Scheme 3
For complete wiring diagrams, refer to
SYSTEM WIRING DIAGRAMS for Aspen.
SYSTEM WIRING DIAGRAMS for Durango.
| Possible Causes |
|---|
| (M28) GLOVE BOX/MAP LAMP OUTPUT CIRCUIT SHORT TO GROUND |
| INSTRUMENT CLUSTER |
Scheme 4
- 1) INTERMITTENT CONDITION Turn the ignition on. With the Scan Tool, clear all CCN DTC's. Turn the Glove Box lamps on. With the Scan Tool, read the DTC information. Does the Scan Tool read: B1623-GLOVEBOX/MAP LAMP OUTPUT CIRCUIT SHORT TO GROUND? Yes Go To 2) . No The condition that caused the symptom is currently not present. Inspect the related wiring for a possible intermittent condition. Look for any chafed, pierced, pinched, or partially broken wires. Perform «BODY VERIFICATION TEST - VER 1»(ref-285334-S04155882182008052100000) .
- 2) INSTRUMENT CLUSTER Turn the ignition off. Disconnect the Glovebox Lamp Switch harness connector. Disconnect the Instrument Cluster C3 connector. Measure the resistance of the (M28) Glovebox Lamp Output circuit to ground. Is the resistance below 5.0 ohms? Yes Repair the (M28) Glovebox-Map Lamp Output circuit. Perform «BODY VERIFICATION TEST - VER 1»(ref-285334-S04155882182008052100000) . No Replace the Instrument Cluster in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-285334-S04155882182008052100000) .
Scheme 5
For complete wiring diagrams, refer to
SYSTEM WIRING DIAGRAMS for Aspen.
SYSTEM WIRING DIAGRAMS for Durango.
| Possible Causes |
|---|
| Headlamp Switch |
| (M22) Cargo Lamp Output Circuit Short to Ground |
| Instrument Cluster |
Scheme 6
- 1) INTERMITTENT CONDITION turn the ignition on. With the Scan Tool, clear all CCN DTC's. Turn the Cargo Lamps on. With the Scan Tool, read the DTC information. Does the Scan Tool read: B1627-CARGO LAMP OUTPUT CIRCUIT SHORT TO GROUND? Yes Go To 2) . No The condition that caused the symptom is currently not present. Inspect the related wiring for a possible intermittent condition. Look for any chafed, pierced, pinched, or partially broken wires. Perform «BODY VERIFICATION TEST - VER 1»(ref-285334-S04155882182008052100000) .
- 2) HEADLAMP SWITCH Disconnect the Headlamp Switch connector. Turn the ignition on. Using the Scan Tool, read DTC's. Does the Scan Tool display Headlamp Switch 5.0 volts? Yes Go To 3) . No Replace the Headlamp Switch. Perform «BODY VERIFICATION TEST - VER 1»(ref-285334-S04155882182008052100000) .
- 3) INSTRUMENT CLUSTER Turn the ignition off. Disconnect the Headlamp Switch connector. Disconnect the Instrument Cluster C3 connector. Measure the resistance of the of the (M22) Cargo Lamp Output circuit to ground. Is the resistance below 5.0 ohms? Yes Repair the Cargo Lamp Output circuit. Perform «BODY VERIFICATION TEST - VER 1»(ref-285334-S04155882182008052100000) . No Replace the Instrument Cluster in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-285334-S04155882182008052100000) .
Diagnostic Test
- 1) INTERMITTENT CONDITION turn the ignition on. With the Scan Tool, clear all CCN DTC's. Turn the Cargo Lamps on. With the Scan Tool, read the DTC information. Does the Scan Tool read: B1629-CARGO LAMP OUTPUT CIRCUIT OPEN? Yes Go To 2) . No The condition that caused the symptom is currently not present. Inspect the related wiring for a possible intermittent condition. Look for any chafed, pierced, pinched, or partially broken wires. Perform «BODY VERIFICATION TEST - VER 1»(ref-285334-S04155882182008052100000) .
- 2) HEADLAMP SWITCH Disconnect the Headlamp Switch connector. Turn the ignition on. Using the Scan Tool, read DTC's. Does the Scan Tool display Headlamp Switch 5.0 volts? Yes Go To 3) . No Replace the Headlamp Switch. Perform «BODY VERIFICATION TEST - VER 1»(ref-285334-S04155882182008052100000) .
- 3) INSTRUMENT CLUSTER Turn the ignition off. Disconnect the Headlamp Switch connector. Disconnect the Instrument Cluster C3 connector. Measure the resistance of the of the (M22) Cargo Lamp Output circuit. Is the resistance above 5.0 ohms? Yes Repair the (M22) Cargo Lamp Output circuit. Perform «BODY VERIFICATION TEST - VER 1»(ref-285334-S04155882182008052100000) . No Replace the Instrument Cluster in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-285334-S04155882182008052100000) .