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1 1 2 1 2 1 1 3 4 6 Vehicle /Year Cushion / Backrest Heater Mat / NTC Resistor Left Hand Drive Right Hand Drive Minimum Resistance Maximum Resistance Passenger Side Connector / Pin Driver Side Connector / Pin Passenger Side Connector / Pin Driver Side Connector / Pin Ohms At 20°C ±10°C Ohms At 20°C ±10°C Freelander 2 Cushion Heater mat C3HS08C-1 and C3HS03C-1 C3HS08C-1 C3HS03C-1 0,8 1,0 NTC C3HS08C-2 C3HS03C-2 C3HS08C-2 C3HS03C-2 4 000 10 000 Backrest Heater mat C3HS08B-1 and C3HS03B-1 C3HS08B-1 C3HS03B-1 0,5 0,7 PINPOINT TEST A : SEAT HEATER MAT TEST CONDITIONS DETAILS/RESULTS/ACTIONS A1: CHECK FOR DTC'S W here possible use the manufacturer approved diagnostic system to review any logged seat heater Were any seat heater mat DTC's logged? Carry out the help text action for any logged DTC's. Clear the DTC and retest. If DTC's return follow GO to A2 . No GO to A2 . A2: MANUAL CHECK • NOTE: On full power the seat should be hot to touch If required operate the vehicle air conditioning on full for 10 minutes to reduce the in vehicle ambient Does the seat heater operate correctly? Clear any stored DTC's and retest. If seat heater operation is correct no further action required No GO to A3 . A3: SHORT CIRCUIT TO GROUND Refer to the electrical circuit diagrams and the seat heater mat application chart (see above) to Are either of the circuits short circuit to ground? Repair the circuit or replace the seat heater mat as required. Refer to the warranty policy and No GO to A4 . A4: CIRCUIT CONTINUITY TEST Refer to the electrical circuit diagrams and check the seat heater mat ( heater circuit ) for circuit Does the seat heater mat heater circuit pass the continuity test? GO to A5 . No Repair the circuit or replace the seat heater mat as required. Refer to the warranty policy and A5: POWER CONSUMPTION • NOTE: The seat heater power supply cycles on and off dependant on the seat and cabin temperature and may only Reconnect the connector Does the seat heater mat consume the correct level of current? Clear any stored DTC's and retest. If operation correct, no further action required No GO to A6 . A6: RESISTANCE CHECK |