B1935–PASSENGER DOOR LOCK/UNLOCK SWITCH CIRCUIT STUCK – TIPM
For a complete wiring diagram Refer to Section 8W.
Possible Causes
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(G160) RIGHT DOOR LOCK SWITCH MUX CIRCUIT PARTIAL SHORT TO GROUND
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(G160) RIGHT DOOR LOCK SWITCH MUX CIRCUIT SHORT TO THE (P37) DOOR LOCK SWITCH RETURN
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DOOR LOCK SWITCH SHORT TO GROUND
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TOTALLY INTEGRATED POWER MODULE (TIPM)
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Theory of Operation
This trouble code is for the Right Door Lock Switch for all vehicles including right hand drive.
Diagnostic Test
1.
TEST FOR INTERMITTENT CONDITION
With the scan tool, record and erase DTC's
Operate the Right Door Lock Switch in all positions several times.
Cycle the ignition from on to off.
Turn the ignition on.
With the scan tool, read DTC's.
Does the scan tool display B1935–PASSENGER DOOR LOCK/UNLOCK SWITCH CIRCUIT STUCK?
Yes
No
2.
DOOR LOCK SWITCH SHORTED
With the scan tool, erase DTC's.
Disconnect the Right Door Lock Switch connector.
With the scan tool, read DTC's.
Does the scan tool display B1935–PASSENGER DOOR LOCK/UNLOCK SWITCH CIRCUIT STUCK?
No
Yes
3.
(G160) RIGHT DOOR LOCK SWITCH MUX CIRCUIT PARTIAL SHORT TO GROUND
Turn the ignition off.
Disconnect the TIPM C7 connector.
Measure the resistance between ground and the (G160) Right Door Lock Switch Mux circuit.
Is the resistance below 10,000.0 ohms?
Yes
No
4.
(G160) RIGHT DOOR LOCK SWITCH MUX CIRCUIT SHORT TO THE (P37) DOOR LOCK SWITCH RETURN
Measure the resistance between the (G160) Right Door Lock Switch Mux circuit and the (P37) Door Lock Switch Return circuit.
Is the resistance below 10,000.0 ohms?
Yes
No