Maxima Wagon V6-2960cc 3.0L SOHC MFI (VG30E) (1986)
Adjustment Of Trimmer - Potentio Balancer Resistor
Adjustment Of Trimmer
When auto amplifier and PBR are replaced, adjust trimmer in accordance with the following procedures.
1. Turn ignition switch on.
2. Disconnect auto air conditioner harness connector from PBR and measure voltage between terminals of check connector for PBR.
Voltage between terminals of check connector: 4.5-5.5 volts
Adjustment Of Trimmer - Potentio Balance Resitor
3. Connect auto air conditioner harness to PBR and set air mix door (PBR) in full hot condition. (Full hot condition can be obtained either by
setting PTC at full hot or by disconnecting connector for in-vehicle sensor, etc.)
4. Measure voltage between terminals of check connector again and adjust trimmer so that voltage is half of that measured in step 2.
Voltage between terminals of check connector: 2.25-2.75 volts