RL V6-3.5L (2007)
76. Turn the ignition switch OFF.
77. Disconnect the connector, from each of the following sensors, one at a time, and measure voltage between body ground and PCM connector
terminal E12 with the ignition switch ON (II).
Is there about 5 V?
YES - Repair the sensor that restored 5 V when disconnected.
NO - Go to step 78.
78. Turn the ignition switch OFF.
79. Jump the SCS line with the HDS.
80. Disconnect the connectors from these sensors:
-
Accelerator pedal position (APP)
-
Fuel tank pressure (FTP) sensor
81. Disconnect PCM connector E (31P).
82. Check for continuity between PCM connector terminal E12 and body ground.
Is there continuity?
YES - Repair short in the wire between the PCM (E12) and the APP sensor, or the FTP sensor.
NO - Update the PCM if it does not have the latest software, or substitute a known good PCM, then recheck. If the symptom/indication goes away
with a known good PCM, replace the original PCM.
