C230A-NEUTRAL INDICATOR CONTROL CIRCUIT LOW

For a complete wiring diagram Refer to Section 8W

When Monitored:
With the ignition on and no system undervoltage or overvoltage condition present.
Set Condition:
The Final Drive Control Module detects low voltage on the Neutral Indicator Control Circuit when output is off.

Possible Causes

(G95) 4WD NEUTRAL INDICATOR CIRCUIT OPEN

(G95) 4WD NEUTRAL INDICATOR CIRCUIT SHORTED TO GROUND

(F943) FUSED IGNITION SWITCH OUTPUT (RUN/START) FOR VOLTAGE

(F943) FUSED IGNITION SWITCH OUTPUT (RUN/START) CIRCUIT OPEN

TRANSFER CASE SELECTOR SWIITCH

FINAL DRIVE CONTROL MODULE (FDCM)

1.DTC IS ACTIVE

Is the status Active for this DTC?

Yes

2.(G95) 4WD NEUTRAL INDICATOR CIRCUIT RESISTANCE TO GROUND

Is the resistance below 5.0 ohms?

Yes

3.(G95) 4WD NEUTRAL INDICATOR CIRCUIT SHORT TO GROUND

Is the resistance below 5.0 ohms?

Yes

Repair the (G95) 4WD Neutral Indicator circuit for a short to ground.
Perform the TRANSFER CASE VERIFICATION TEST-VER 1 (Refer to 21 - TRANSMISSION/TRANSAXLE/TRANSFER CASE - STANDARD PROCEDURE).

Replace the Transfer Case Selector Switch in accordance with the Service information.
Perform the TRANSFER CASE VERIFICATION TEST-VER 1 (Refer to 21 - TRANSMISSION/TRANSAXLE/TRANSFER CASE - STANDARD PROCEDURE).

4.(G95) 4WD NEUTRAL INDICATOR CIRCUIT OPEN

Is the resistance above 5.0 ohms?

Yes

Repair the open (G95) 4WD Neutral Indicator circuit.
Perform the TRANSFER CASE VERIFICATION TEST-VER 1 (Refer to 21 - TRANSMISSION/TRANSAXLE/TRANSFER CASE - STANDARD PROCEDURE).

5.(F943) FUSED IGNITION SWITCH OUTPUT (RUN/START) VOLTAGE

Is the voltage above 10.6 volts?

Yes

Replace the Transfer Case Selector Switch in accordance with the Service information.
Perform the TRANSFER CASE VERIFICATION TEST-VER 1 (Refer to 21 - TRANSMISSION/TRANSAXLE/TRANSFER CASE - STANDARD PROCEDURE).

6.INTERMITTENT WIRING AND CONNECTORS

Were any problems found?

Yes