Montero V6-3.8L SOHC (2005)
5. Measure the voltage (waveform) between terminal 19 and ground by backprobing.
Q: Is the measured voltage Hi = 4 to 5 volts and Lo = 0 to 1 volt?
YES: Replace the RV meter display.
NO: Go to Step 5.
STEP 3. Check the harness wires between RV meter connector D-08 (terminal 9 and 10 and 19) and A/C-ECU connector D-23 (terminal 16 and
17 and 6).
Q: Are harness wires between RV meter connector D-08 (terminal 9 and 10 and 19) and A/C-ECU connector D-23 (terminal 16 and 17 and 6) in good
condition?
YES: There is no action to be taken.
NO: Repair or replace them. Refer to Harness Connector Inspection.
STEP 4. Using scan tool MB991958, read the A/C diagnostic trouble code.
CAUTION: To Prevent to damage to scan toll MB991958, always turn the ignition switch to "LOCK" (OFF) position before connecting or
disconnecting scan tool MB991958.
