Hyundai Tucson LM Quiz
Body Electrical System

PDM Relay Box Repair Procedures

In this manual: Body Electrical System
General Information — 1Engine Mechanical System — 44Engine Electrical System — 45Emission Control System — 24Engine Control System/Fuel System — 93Clutch System — 13Manual Transmission — 18Automatic Transmission — 87Four-Wheel Drive (4WD) System — 26Drive Shaft and Axle — 29Suspension System — 35Steering — 20Restraints — 47Brake System — 36Body (Interior and Exterior) — 53Body Electrical System — 202Heating, Ventilation, and Air Conditioning — 58
9steps
~54min
2/5difficulty
Done 0 of 9

Inspection

  1. Disconnect the negative (-) battery terminal.
  2. Remove the front seat heater switch. (Refer to Group BE - "Seat Heater Switch").
  3. Remove the PDM relay box (A) by loosening the screws (2 pcs) and disconnecting the connector.
  4. There should be continuity between No. 1 in B and No. 2 in terminals B when power and ground are connected to No. 3 in terminals A and No. 4 in terminals A.
  5. There should be no continuity between No. 1 in terminals B and No. 2 in terminals B when power is disconnected.
  6. There should be continuity between No. 7 in A and No. 8 in terminals A when power and ground are connected to No. 3 in terminals A and No. 10 in terminals A.
  7. There should be no continuity between No. 7 in terminals A and No. 8 in terminals A when power is disconnected.
  8. There should be continuity between No. 7 in A and No. 6 in terminals A when power and ground are connected to No. 1 in terminals A and No. 3 in terminals A.
  9. There should be no continuity between No. 7 in terminals A and No. 6 in terminals A when power is disconnected.
IG2 Relay: Check continuity between terminals. IG1 Relay: Check continuity between terminals. ACC Relay: Check continuity between terminals.

Test yourself

A quick Hyundai Tucson LM quiz: every answer comes with an explanation and a link to the manual page.