PRNDL Switch Circuit Open
- Connect scan tool to Data Link Connector (DLC), under lower left side of instrument panel. Turn ignition on. Using scan tool, erase DTCs. Turn ignition off, then back on. Using scan tool, select BODY, ELECTRO/MECH CLUSTER, then DTCS. If scan tool displays PRNDL SWITCH CIRCUIT OPEN, go to next step. If scan tool does not display PRNDL SWITCH CIRCUIT OPEN, problem is intermittent. Visually inspect and wiggle test related wiring.
- Turn ignition off. Disconnect Black 6-pin transmission range sensor connector, located on left side of transmission. Turn ignition on. Using DVOM connected to ground, measure voltage at Black 6-pin transmission range sensor connector terminal No. 5 (Dark Green/Gray wire). See Fig 1 . If more than 4.5 volts exist, go to next step. If 4.5 volts or less exist, repair open in Dark Green/Gray wire between Black 6-pin transmission range sensor connector terminal No. 5 and Black 10-pin instrument cluster connector C1 terminal No. 1. See Figure .
- Disconnect Gray 10-pin instrument cluster connector C2. See Figure . Using DVOM, measure resistance of White/Light Green wire between Black 6-pin transmission range sensor connector terminal No. 2 and Gray 10-pin instrument cluster connector C2 terminal No. 4. See Figure . If resistance is 5 ohms or less, go to next step. If resistance is more than 5 ohms, repair open in White/Light Green wire between Black 6-pin transmission range sensor connector terminal No. 2 and Gray 10-pin instrument cluster connector C2 terminal No. 4.
- Using DVOM, measure resistance of transmission range sensor between terminals No. 2 and 5. Compare results with TRANSMISSION RANGE SENSOR RESISTANCE
table. Using DVOM, measure resistance between transmission range sensor terminal No. 6 and transmission case. Less than 5 ohms should exist. If resistance is not as specified, replace transmission range sensor. See TRANSMISSION RANGE SENSOR
under REMOVAL & INSTALLATION. If resistance is as specified, go to next step.TRANSMISSION RANGE SENSOR RESISTANCE
Shift Lever Position Ohms Park 520.2-524.2 Reverse 204.2-208.2 Neutral 106.6-110.6 Drive 57.9-61.9 2nd 29.9-33.9 1st 11.7-15.7 - Replace instrument cluster. See INSTRUMENT CLUSTER under REMOVAL & INSTALLATION.