Suzuki Wagon R RB310, Supplementary Service Manual

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7B-40 AUTOMATIC TRANSMISSION (4 A/T)
5 While ignition switch ON, check voltage
between terminal “E12-10” and “E13-15” of dis-
connected harness side TCM coupler.
Is it 10 – 14 V at “2” range and 0 V at the other
range? Go to Step 6. Go to Step 7.
6 While ignition switch ON, check voltage
between terminal “E12-11” and “E13-15” of dis-
connected harness side TCM coupler.
Is it 10 – 14 V at “L” range and 0 V at the other
range? Intermittent trouble or
faulty TCM.
Check for intermittent
trouble referring to
“INTERMITTENT AND
POOR CONNECTION”
in Section 0B. Go to Step 7.
7 Check transmission range sensor referring in
this section.
Is it OK? Transmission range sen-
sor wire shorted.
If wire harnesses are OK,
substitute a known-good
TCM and recheck. Replace transmission
range sensor.
Step Action Yes No