Connector H42-1, 2 and 3, pin/sleeve replacement
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Connector H42-1, 2 and 3, pin/sleeve replacement
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Warning
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Airbag system cables must not be repaired. They are to be replaced in their entirety.
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1.
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Remove the battery cover.
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2.
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Remove the battery with battery cooling pipe, bonnet switch and main fuse box.
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3.
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Aut:
Unplug the TCM connector and the connector under the control module.
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4.
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Remove the battery tray.
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5.
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Pull out the catch and unplug the 42-pin connector.
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1.
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Detach the connector from the bracket.
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2.
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Cut off the cable tie.
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3.
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Carefully remove the secondary catch.
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4.
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Remove the seal.
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5.
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Undo the pin catch by pressing in the extraction tool (part no. 85 80 151).
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6.
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Pull out the cable with the pin.
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7.
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Cut of the lead at the pin.
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8.
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If the lead is not long enough, splice it as follows:
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8.1.
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Strip the insulation off of the leads.
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8.2.
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Fit a shrink tube with adhesive on the line.
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8.3.
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Fit sleeve (0.5-1.0 mm²), using the blue pliers from 86 12 939 Toolbox, wiring harness.
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Note
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Leads with 0.35 mm² are doubled over and crimped together at both ends.
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8.4.
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Place the shrink tube over the sleeve.
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8.5.
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Heat the shrink tube until it is secured.
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9.
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Place the seal on the lead. Use a new seal if necessary.
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10.
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Strip 4 mm of the lead's insulation.
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11.
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Search for the connector in the spare parts catalogue/EPC to find the part number of the pin to be used.
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12.
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Fit the pin on the lead using olive green pliers (0.35-0.75 mm²) from 86 12 939 Toolbox, wiring harness. Do not clamp the seal in the pin.
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13.
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Check that the stripped lead goes through the entire clamped portion of the pin and that the insulation is properly clamped.
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14.
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Press the pin into the connector.
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15.
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Check that the pin is properly secured.
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16.
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Press the seal into the connector.
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17.
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Check that the connector pins are straight.
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19.
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Fit the secondary catch. Replace as necessary.
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20.
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Secure the leads with a cable tie.
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21.
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Fit the connector in the bracket.
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1.
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Cut off the cable tie.
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2.
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Carefully release the secondary catch.
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3.
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Undo the sleeve catch by pressing in the extraction tool (part no. 85 80 151).
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4.
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Pull out the cable with the sleeve.
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5.
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Cut off the lead at the sleeve.
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6.
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If the lead is not long enough, splice it as follows:
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6.1.
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Strip the insulation off of the leads.
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6.2.
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Fit a shrink tube with adhesive on the line.
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6.3.
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Fit sleeve (0.5-1.0 mm²), using the blue pliers from 86 12 939 Toolbox, wiring harness.
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Note
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Leads with 0.35 mm² are doubled over and crimped together at both ends.
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6.4.
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Place the shrink tube over the sleeve.
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6.5.
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Heat the shrink tube until it is secured.
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7.
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Place the seal on the lead. Use a new seal if necessary.
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8.
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Strip 4 mm of the lead's insulation.
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9.
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Search for the connector in the spare parts catalogue/EPC to find the part number of the sleeve to be used.
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10.
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Fit the sleeve on the lead using olive green pliers (0.35-0.75 mm²) from 86 12 939 Toolbox, wiring harness. Do not clamp the seal in the sleeve.
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11.
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Check that the stripped lead goes through the entire clamped portion of the sleeve and that the insulation is properly clamped.
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12.
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Press the sleeve into the connector.
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13.
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Check that the sleeve is properly secured.
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14.
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Press the seal into the connector.
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15.
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Check that the sleeve's depth of engagement is the same as the other sleeves in the connector.
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16.
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Fit the secondary catch. Replace as necessary.
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17.
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Secure the leads with a cable tie.
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18.
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Check that the connector pins are straight.
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19.
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Fit the connector in the bracket.
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1.
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Plug in the connector and secure the wiring harness.
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2.
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Fit the battery tray.
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3.
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Aut:
Plug in the connector under the control module and the TCM connector.
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4.
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Fit the main fuse box, bonnet switch and battery cooling pipe.
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5.
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Fit the battery cover.
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