Mazda 2006 MX-5 Service Highlights page 283

SHIFT INTERLOCK MECHANISM FUNCTION [M15M-D]
• This provides reliable double-engagement prevention.
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SHIFT INTERLOCK MECHANISM OPERATION [M15M-D]
Structure
• During shifting, the shift rods, except for the one in operation, are locked in the neutral position by the interlock
pins.
Operation
Neutral
• Because no shift rod is operated, the interlock
pins are seated in the grooves.
1st/2nd shifting
• Movement of the 1st/2nd shift rod forces interlock
pin A out of the 1st/2nd shift rod groove, and locks
the 3rd/4th shift rod. Pin B, forced by pin A,
pushes out pin C to lock the 5th/Reverse shift rod.
3rd/4th shifting
• Movement of the 3rd/4th shift rod forces out pins
A and C, and locks the 1st/2nd and 5th/Reverse
shift rods. Pin B does not affect the other pins or
shift rods during 3rd/4th shifting.
5th/Reverse shifting
• When performing 5th/Reverse shifting, the
interlock pins function the same way as in 1st/2nd
shifting, except the pin movement order is in
reverse, and the 3rd/4th and 1st/2nd shift rods are
locked.
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MANUAL TRANSMISSION [M15M-D]
1ST/2ND SHIFT ROD
INTERLOCK PINS
5TH/REVERSE SHIFT ROD
1ST/2ND SHIFT ROD
5TH/REVERSE SHIFT ROD
1ST/2ND SHIFT ROD
5TH/REVERSE SHIFT ROD
1ST/2ND SHIFT ROD
5TH/REVERSE SHIFT ROD
E5U051100000N16
E5U051100000N17
3RD/4TH SHIFT ROD
05–11A
E5U511AS5009
3RD/4TH SHIFT ROD
E5U511AS5010
3RD/4TH SHIFT ROD
E5U511AS5011
3RD/4TH SHIFT ROD
E5U511AS5012
05–11A–5